NEET Physics MCQs – Electric Charges and Fields

Q1

The SI unit of electric charge is:

A. Volt
B. Ampere
C. Coulomb
D. Farad


Q2

Charge on an electron is approximately:

A. 1.6×10191.6 \times 10^{-19}1.6×10−19 C
B. 1.6×10161.6 \times 10^{-16}1.6×10−16 C
C. 1.6×10131.6 \times 10^{-13}1.6×10−13 C
D. 1.6×1091.6 \times 10^{-9}1.6×10−9 C


Q3

Two point charges +q+q+q and +q+q+q are separated by distance rrr. The force between them is:

A. Attractive
B. Repulsive
C. Zero
D. Infinite


Q4

According to Coulomb’s law, the electrostatic force between two charges varies:

A. Directly with distance
B. Inversely with distance
C. Inversely with square of distance
D. Directly with square of distance


Q5

The proportionality constant in Coulomb’s law in vacuum is:

A. 9×1099 \times 10^99×109 Nm²/C²
B. 9×1079 \times 10^79×107 Nm²/C²
C. 9×1059 \times 10^59×105 Nm²/C²
D. 9×1039 \times 10^39×103 Nm²/C²


Q6

Electric field intensity at a point is defined as:

A. Force per unit charge
B. Energy per unit charge
C. Potential per unit charge
D. Work per unit charge


Q7

The SI unit of electric field is:

A. N/C
B. Volt
C. Ampere
D. Ohm


Q8

Direction of electric field at a point is the direction of force acting on:

A. Electron
B. Neutron
C. Positive test charge
D. Negative test charge


Q9

Electric field lines originate from:

A. Negative charges
B. Positive charges
C. Neutral particles
D. Electrons


Q10

Electric field lines terminate on:

A. Positive charges
B. Negative charges
C. Protons
D. Neutral bodies


Q11

Electric field lines never:

A. Intersect
B. Curve
C. Start from charges
D. End on charges


Q12

The electric field inside a conductor in electrostatic equilibrium is:

A. Maximum
B. Minimum
C. Infinite
D. Zero


Q13

If the distance between two charges is doubled, the electrostatic force becomes:

A. Half
B. One-fourth
C. Double
D. Four times


Q14

The electric field due to a point charge varies with distance as:

A. 1/r1/r1/r
B. 1/r21/r^21/r2
C. 1/r31/r^31/r3
D. r2r^2r2


Q15

Two equal charges repel each other with force F. If the charge on each is doubled, the force becomes:

A. F
B. 2F
C. 4F
D. F/4


Q16

The permittivity of free space is approximately:

A. 8.85×10128.85 \times 10^{-12}8.85×10−12 F/m
B. 8.85×10108.85 \times 10^{-10}8.85×10−10 F/m
C. 8.85×1088.85 \times 10^{-8}8.85×10−8 F/m
D. 8.85×1068.85 \times 10^{-6}8.85×10−6 F/m


Q17

Electric field due to a positive charge is directed:

A. Towards the charge
B. Away from the charge
C. Circular around charge
D. Randomly


Q18

Electric field due to a negative charge is directed:

A. Away from the charge
B. Towards the charge
C. Circular around charge
D. Zero everywhere


Q19

When two charges are placed close to each other, the net force on each charge is determined by:

A. Newton’s first law
B. Superposition principle
C. Gauss theorem
D. Conservation of energy


Q20

Electric field lines are closer where the field is:

A. Weak
B. Strong
C. Zero
D. Uniform


Q21

A neutral body contains:

A. Only protons
B. Only electrons
C. Equal number of protons and electrons
D. Only neutrons


Q22

Quantization of charge means charge exists in:

A. Continuous form
B. Discrete packets
C. Infinite values
D. Negative form only


Q23

Charge on a body can be:

A. Any value
B. Fraction of electron charge
C. Integral multiple of electron charge
D. Only positive


Q24

The force between charges in a medium depends on:

A. Permittivity of medium
B. Temperature
C. Pressure
D. Gravity


Q25

Electric field at the midpoint of two equal positive charges placed symmetrically is:

A. Zero
B. Maximum
C. Infinite
D. Constant


Q26

A charge placed in an electric field experiences:

A. Gravitational force
B. Magnetic force
C. Electrostatic force
D. Nuclear force


Q27

The electric field due to a point charge is:

A. Radial
B. Circular
C. Linear
D. Random


Q28

Electric field lines represent:

A. Magnetic field
B. Electric potential
C. Direction of electric field
D. Electric current


Q29

If the charge is tripled and distance remains same, force becomes:

A. 3F
B. 6F
C. 9F
D. F/3


Q30

The electric field at a point due to a charge depends on:

A. Mass of charge
B. Distance from charge
C. Temperature
D. Pressure

Q31

Two point charges q1q_1q1​ and q2q_2q2​ are placed 2 m apart in vacuum. The force between them is 9 N. If they are placed 1 m apart, the force becomes:

A. 18 N
B. 36 N
C. 9 N
D. 4.5 N


Q32

Two charges +q+q+q and q-q−q are separated by a distance ddd. The electric field at the midpoint is:

A. Zero
B. Maximum
C. Half the maximum
D. Cannot be determined


Q33

A proton is placed in a uniform electric field. The direction of force on the proton is:

A. Opposite to the field
B. Along the field
C. Perpendicular to the field
D. Random


Q34

A point charge produces an electric field of 200N/C200 \, \text{N/C}200N/C at a distance 0.5 m. What will be the field at 1 m?

A. 50 N/C
B. 100 N/C
C. 200 N/C
D. 400 N/C


Q35

Two small spheres, each of mass 10 g, are charged with +2 μC and placed 0.1 m apart. The electrostatic force between them is approximately:

A. 0.36 N
B. 3.6 N
C. 36 N
D. 360 N


Q36

Two point charges are separated by 2 m. If one charge is doubled and the other halved, the new force is:

A. Same as original
B. Double
C. Half
D. Four times


Q37

The principle of superposition of charges states that:

A. Charges can be added algebraically
B. Force on a charge is vector sum of individual forces
C. Potential is zero at midpoint of equal charges
D. Field lines never cross


Q38

The electric field inside a hollow charged conductor is:

A. Zero
B. Maximum at center
C. Minimum at center
D. Equal to field outside


Q39

Two charges of +q each are placed at a distance d. The electric field at a point on the perpendicular bisector is:

A. Zero
B. Directed along bisector
C. Directed perpendicular to bisector
D. Cannot be determined


Q40

A negatively charged particle is placed in a uniform electric field. The force on it is:

A. Along field
B. Opposite to field
C. Perpendicular to field
D. Zero


Q41

The electric field at a distance r from a point charge q is:

A. kq/rkq/rkq/r
B. kq/r2kq/r^2kq/r2
C. kq/r3kq/r^3kq/r3
D. kqr2kq r^2kqr2


Q42

Electric flux through a closed surface depends on:

A. Number of charges inside
B. Shape of surface
C. Area of surface
D. Distance from charges


Q43

The SI unit of electric flux is:

A. Nm²/C
B. N/C
C. V/m
D. C/m²


Q44

The field at the center of a uniformly charged ring of radius R is:

A. Maximum
B. Zero
C. kQ/R2kQ/R^2kQ/R2
D. Cannot be determined


Q45

Two point charges of +q and -q are separated by distance 2a. The magnitude of electric field at the midpoint is:

A. kq/a2kq/a^2kq/a2
B. kq/2a2kq/2a^2kq/2a2
C. 2kq/a22kq/a^22kq/a2
D. Zero


Q46

The electrostatic force between two charges in a medium depends on:

A. Permeability of medium
B. Permittivity of medium
C. Magnetic field
D. Temperature


Q47

The electric field due to a uniformly charged spherical shell outside the shell is:

A. Same as a point charge at the center
B. Zero
C. Maximum at surface
D. Depends on radius only


Q48

The force on a charge in an electric field is directly proportional to:

A. Distance from other charges
B. Magnitude of charge
C. Mass of charge
D. Velocity of charge


Q49

Which statement is true about electric field lines?

A. They never start or end
B. They can intersect
C. They begin on positive charges and end on negative charges
D. They are always circular


Q50

Two identical charges are placed 1 m apart and repel each other with 9 N. If the charges are replaced by charges of opposite signs of same magnitude, the force will be:

A. 9 N repulsive
B. 9 N attractive
C. Zero
D. 18 N attractive


Q51

A small test charge is placed at a point in an electric field. The potential energy is maximum when:

A. Force is maximum
B. Force is zero
C. Field is uniform
D. Charge is zero


Q52

Which of the following statements is correct?

A. Electric field is a scalar
B. Electric field is a vector
C. Electric flux is a vector
D. Electric potential is a vector


Q53

The electric field at the midpoint of two equal and opposite charges separated by distance 2d is:

A. Zero
B. Along the line joining charges
C. Perpendicular to line joining charges
D. Cannot be determined


Q54

A point charge produces an electric field of 180 N/C at 0.2 m distance. The value of the charge is approximately:

A. 8×10108 \times 10^{-10}8×10−10 C
B. 8×1098 \times 10^{-9}8×10−9 C
C. 1×1061 \times 10^{-6}1×10−6 C
D. 1×10121 \times 10^{-12}1×10−12 C


Q55

If a point charge is placed at the origin, the electric field at any point along the x-axis is:

A. Always along x-axis
B. Always along y-axis
C. Perpendicular to position vector
D. Random


Q56

The electric field inside a conductor is zero because:

A. Charges are immobile
B. Charges distribute on surface
C. Charges attract each other
D. Field lines cancel outside


Q57

Two small spheres carry charges q1 = 2 μC and q2 = 3 μC. They are placed 1 m apart. The force on q1 is:

A. 54 N
B. 6 N
C. 0.54 N
D. 0.006 N


Q58

The unit of permittivity of free space (ε₀) is:

A. F/m
B. C/m²
C. N/C
D. C²/N·m²


Q59

A charge is placed at the center of a spherical Gaussian surface. The net electric flux through the surface is:

A. Zero
B. q/ε0q/ε₀q/ε0​
C. q/2ε0q/2ε₀q/2ε0​
D. Depends on radius


Q60

The principle of superposition is used to calculate:

A. Electric flux
B. Potential difference
C. Net electric field
D. Energy of system

Q61

Two equal positive charges are placed 2 m apart. A negative test charge is placed midway. The net force on the test charge is:

A. Zero
B. Along the line joining charges
C. Perpendicular to the line joining charges
D. Cannot be determined


Q62

The net electric field at a point due to several point charges is obtained by:

A. Algebraic sum of magnitudes
B. Vector sum of individual fields
C. Scalar multiplication of magnitudes
D. Taking average of magnitudes


Q63

If a positive charge is brought near a neutral conductor, the conductor becomes:

A. Negatively charged
B. Positively charged
C. Polarized
D. Neutral always


Q64

A conductor in electrostatic equilibrium has:

A. Non-uniform charge distribution
B. Zero electric field inside
C. Maximum field inside
D. Field lines crossing each other


Q65

The electric field at a point due to a uniformly charged rod along its perpendicular bisector is:

A. Zero
B. Along rod
C. Perpendicular to rod
D. Along extension of rod


Q66

A particle of charge +q is placed in a uniform electric field E. The potential energy is:

A. qE
B. qEd
C. -qE·d (d along field)
D. Zero


Q67

Electric field due to an infinite sheet of charge is:

A. Uniform
B. Inversely proportional to distance
C. Proportional to distance
D. Zero outside sheet


Q68

The flux through a closed surface surrounding a charge q is:

A. Zero
B. q/ε₀
C. q/2ε₀
D. Dependent on radius


Q69

Two equal positive charges are separated by distance d. The electric potential at midpoint is:

A. Zero
B. Maximum
C. Minimum
D. Infinite


Q70

The SI unit of electric potential is:

A. Volt
B. Coulomb
C. Farad
D. Tesla


Q71

The electric potential due to a point charge q at a distance r is:

A. kq/r2kq/r^2kq/r2
B. kq/rkq/rkq/r
C. kqrkq rkqr
D. kqr2kq r^2kqr2


Q72

The potential energy of a system of two point charges q1 and q2 separated by r is:

A. kq1q2/rk q_1 q_2 / rkq1​q2​/r
B. kq1q2/r2k q_1 q_2 / r^2kq1​q2​/r2
C. kq1q2rk q_1 q_2 rkq1​q2​r
D. kq1q2r2k q_1 q_2 r^2kq1​q2​r2


Q73

Work done in moving a charge in a uniform electric field along the field is:

A. Zero
B. qEd
C. -qEd
D. qE/d


Q74

If the distance between two charges is doubled, the potential energy of the system:

A. Doubles
B. Halves
C. Quadruples
D. Becomes zero


Q75

The work done in moving a test charge along an equipotential surface is:

A. Maximum
B. Zero
C. Depends on field
D. Infinite


Q76

The potential at the center of a uniformly charged ring is:

A. Zero
B. kQ/RkQ/RkQ/R
C. kQ/R2kQ/R^2kQ/R2
D. Cannot be determined


Q77

The potential due to a point charge at infinity is:

A. Maximum
B. Zero
C. Negative
D. Depends on path


Q78

A proton is released from rest in a uniform electric field. Its kinetic energy at a distance d is:

A. Zero
B. qEd
C. -qEd
D. qE/d


Q79

Electric field inside a spherical shell carrying uniform charge:

A. Zero
B. Maximum at center
C. Proportional to r
D. Proportional to 1/r²


Q80

A charged particle experiences maximum force when placed:

A. Along field
B. Opposite field
C. Perpendicular to field
D. Anywhere


Q81

Two point charges are placed at corners of a square. The net electric field at the center is:

A. Zero
B. Maximum
C. Along diagonal
D. Along side


Q82

The potential due to a dipole at a point on its axial line is:

A. Zero
B. Maximum
C. kqd/r2kqd/r^2kqd/r2
D. kqd/r3kqd/r^3kqd/r3


Q83

The potential due to a dipole on its equatorial line is:

A. Zero
B. Maximum
C. kqd/r2kqd/r^2kqd/r2
D. kqd/r3kqd/r^3kqd/r3


Q84

The force on a dipole in a uniform electric field is:

A. Maximum
B. Zero
C. Along field
D. Perpendicular to field


Q85

The torque on a dipole in a uniform electric field is:

A. Maximum when dipole aligned with field
B. Maximum when dipole perpendicular to field
C. Zero when perpendicular
D. Zero when along field


Q86

Electric flux through a surface enclosing no charge:

A. Zero
B. Maximum
C. Depends on area
D. Infinite


Q87

Electric field at a point along the axis of a dipole:

A. Proportional to 1/r²
B. Proportional to 1/r³
C. Proportional to 1/r
D. Zero


Q88

The work done in assembling a system of charges depends on:

A. Number of charges
B. Separation between charges
C. Both A and B
D. None


Q89

Equipotential surfaces are:

A. Always spherical for point charges
B. Perpendicular to electric field lines
C. Parallel to field lines
D. Random


Q90

The potential energy of a dipole in a uniform electric field:

A. Maximum when aligned with field
B. Maximum when perpendicular to field
C. Zero when perpendicular
D. Zero when along field

Q91

A uniform electric field is directed along the positive x-axis. A positive charge is released from rest at the origin. Its acceleration is:

A. Along +x-axis
B. Along –x-axis
C. Zero
D. Perpendicular to x-axis


Q92

Two point charges q1 and q2 are placed 1 m apart. The electrostatic force between them is 10 N. If the medium between them has dielectric constant K = 5, the force becomes:

A. 50 N
B. 2 N
C. 10 N
D. 0.5 N


Q93

A charged particle is placed at a point in space where the electric field is zero. The net force on the particle is:

A. Maximum
B. Zero
C. Depends on mass
D. Depends on charge


Q94

A point charge produces an electric field of 450 N/C at 0.3 m. The value of the charge is approximately:

A. 3×1093 \times 10^{-9}3×10−9 C
B. 4.5×1094.5 \times 10^{-9}4.5×10−9 C
C. 3×1063 \times 10^{-6}3×10−6 C
D. 4.5×1064.5 \times 10^{-6}4.5×10−6 C


Q95

Two point charges are separated by distance d. If the charge on each is doubled and distance is halved, the force becomes:

A. 2F
B. 4F
C. 16F
D. 8F


Q96

The potential at a point due to a system of charges is:

A. Scalar sum of potentials
B. Vector sum of potentials
C. Zero always
D. Equal to electric field


Q97

The potential energy of two equal charges q separated by distance r is:

A. kq2/r2kq^2/r^2kq2/r2
B. kq2/rkq^2/rkq2/r
C. kq2rkq^2 rkq2r
D. kq2r2kq^2 r^2kq2r2


Q98

A dipole of moment p is placed in a uniform electric field E. The torque on the dipole is:

A. pE sinθ
B. pE cosθ
C. Zero always
D. Maximum when θ = 0°


Q99

The electric field at a point due to a uniformly charged thin spherical shell:

A. Zero inside shell
B. Same as point charge outside
C. Both A and B
D. None of the above


Q100

A proton is accelerated through a potential difference V. Its gain in kinetic energy is:

A. eV
B. eV/2
C. 2eV
D. Zero


Q101

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on surface
D. Infinite


Q102

A uniform electric field exerts a force on a particle. The particle moves along the field. The work done by the field is:

A. Positive
B. Negative
C. Zero
D. Cannot be determined


Q103

A point charge q is placed at the center of a conducting spherical shell. The electric field outside the shell is:

A. Same as due to q at center
B. Zero
C. Varies with shell thickness
D. Depends on shell material


Q104

Electric flux through a surface enclosing a charge q in vacuum is:

A. q/ϵ0q/\epsilon_0q/ϵ0​
B. Zero
C. q2/ϵ0q^2/\epsilon_0q2/ϵ0​
D. Depends on shape of surface


Q105

A small test charge is placed at a point. Electric potential at that point is 10 V and field is 50 N/C. The angle between field and displacement in which work is done:

A. 0°
B. 90°
C. 180°
D. 45°


Q106

The torque on a dipole is maximum when the dipole is:

A. Parallel to field
B. Perpendicular to field
C. At 45° to field
D. Anti-parallel to field


Q107

The potential due to a point charge q at infinity is:

A. Zero
B. Maximum
C. Negative
D. Depends on medium


Q108

If a charge q is divided into two equal parts and placed at distance r, the total potential energy of the system:

A. Decreases
B. Doubles
C. Same as before
D. Quadruples


Q109

The electric field due to a dipole on its axial line at a distance r (r >> dipole length) is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. r²


Q110

The electric field due to a dipole on its equatorial line at a distance r (r >> dipole length) is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. r²


Q111

The potential energy of a dipole of moment p in uniform field E at angle θ is:

A. –pE cosθ
B. pE cosθ
C. –pE sinθ
D. pE sinθ


Q112

Two point charges of +3 μC and –3 μC are 0.2 m apart. The potential at the midpoint is:

A. Zero
B. Maximum
C. –9 × 10⁵ V
D. 9 × 10⁵ V


Q113

A charge q is placed at a point. Electric field at that point is 100 N/C. The force on a test charge of 2 μC is:

A. 50 μN
B. 200 μN
C. 0.2 N
D. 0.02 N


Q114

The potential energy of two point charges separated by distance r is increased by:

A. Moving charges closer
B. Moving charges apart
C. Rotating charges
D. Placing in dielectric


Q115

A small positive test charge is placed midway between +2 μC and –2 μC, separated by 0.4 m. Net electric field is:

A. Zero
B. Along line joining charges
C. Perpendicular to line joining charges
D. Cannot be determined


Q116

The magnitude of the electric field due to a uniformly charged ring at a point along its axis is:

A. Maximum at center
B. Zero at center
C. Increases linearly with distance
D. Infinite at center


Q117

A dipole is placed in a uniform electric field. The net force on the dipole is:

A. Zero
B. Maximum along field
C. Maximum perpendicular to field
D. Depends on orientation


Q118

The electrostatic force between two charges q1 and q2 separated by distance r in a medium of dielectric constant K:

A. F=kq1q2/r2F = k q_1 q_2 / r^2F=kq1​q2​/r2
B. F=kq1q2/(Kr2)F = k q_1 q_2 / (K r^2)F=kq1​q2​/(Kr2)
C. F=kq1q2/(Kr2)F = k q_1 q_2 / (√K r^2)F=kq1​q2​/(√Kr2)
D. Independent of K


Q119

Equipotential surfaces around a point charge are:

A. Planes
B. Spheres
C. Cylinders
D. Random


Q120

The work done in assembling three identical charges at the vertices of an equilateral triangle of side a is:

A. 3kq2/a3 k q^2 / a3kq2/a
B. kq2/ak q^2 / akq2/a
C. 3/2kq2/a3/2 k q^2 / a3/2kq2/a
D. 2kq2/a2 k q^2 / a2kq2/a

Q121

Two point charges +q and –q are separated by a distance 2a. The electric field at the midpoint is:

A. Zero
B. Along line joining charges
C. Perpendicular to line joining charges
D. Cannot be determined


Q122

A dipole of moment p is placed in a uniform electric field E. The potential energy is:

A. –pE cosθ
B. pE cosθ
C. –pE sinθ
D. pE sinθ


Q123

Electric field inside a hollow spherical conductor carrying charge is:

A. Zero
B. Maximum at center
C. Varies linearly with radius
D. Same as outside


Q124

The electric flux through a closed surface surrounding no charge is:

A. Zero
B. Maximum
C. Depends on area
D. Infinite


Q125

The magnitude of electric field at a point on the axial line of a dipole at distance r (r >> dipole length) is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q126

The magnitude of electric field on the equatorial line of a dipole at distance r is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q127

The work done in moving a charge along an equipotential surface is:

A. Maximum
B. Zero
C. Depends on displacement
D. Infinite


Q128

A point charge +q is placed at the center of a spherical Gaussian surface. The net flux through the surface is:

A. Zero
B. q/ε₀
C. q/2ε₀
D. Depends on radius


Q129

Two small spheres of charges +2 μC and +3 μC are placed 0.2 m apart. The electrostatic force is:

A. 1.35 N
B. 1.5 N
C. 3 N
D. 0.3 N


Q130

A small positive test charge experiences zero net force midway between two equal negative charges. The field at midpoint is:

A. Zero
B. Maximum
C. Minimum
D. Cannot be determined


Q131

A charged particle moves along an electric field. The work done by the field is:

A. Zero
B. Positive
C. Negative
D. Depends on mass


Q132

Two point charges are separated by distance r. The electrostatic force is F. If the distance is tripled, the force becomes:

A. F/9
B. F/3
C. 3F
D. 9F


Q133

Two point charges +q each are separated by distance d. The electric potential at a point on perpendicular bisector is:

A. Zero
B. Maximum
C. Minimum
D. Infinite


Q134

Two charges +q and –q separated by distance 2a form a dipole. The potential at a point on axial line at distance r (r >> a) is:

A. kq/r
B. kqd/r²
C. kqd/r³
D. Zero


Q135

The potential at a point on the equatorial line of a dipole is:

A. Maximum
B. Zero
C. kqd/r²
D. kqd/r³


Q136

A charge q is divided into two equal parts and separated by distance r. The potential energy of the system:

A. Decreases
B. Doubles
C. Same
D. Quadruples


Q137

The torque experienced by a dipole in a uniform field is zero when:

A. Dipole is perpendicular to field
B. Dipole is along the field
C. Dipole is at 45°
D. Always nonzero


Q138

The electric field at the midpoint of two charges +q and –q separated by 2a is:

A. Maximum along line joining charges
B. Zero
C. Perpendicular to line joining charges
D. Infinite


Q139

The unit of electric field in SI is:

A. N/C
B. V/m
C. Both A and B
D. C/m²


Q140

A charged particle is placed at a point where the electric potential is zero. The electric field at that point is:

A. Zero
B. Maximum
C. Depends on other charges
D. Minimum


Q141

A proton is released from rest in a uniform electric field of magnitude E. The acceleration is:

A. eE/m
B. E/m
C. Zero
D. Depends on distance


Q142

Two equal charges are placed 1 m apart. The force between them in vacuum is 9 N. The same charges are placed in a medium with dielectric constant 3. The force becomes:

A. 3 N
B. 9 N
C. 27 N
D. 1 N


Q143

The electric field inside a spherical conductor in electrostatic equilibrium is:

A. Zero
B. Maximum at center
C. Same as outside
D. Varies linearly with radius


Q144

The potential energy of a system of three charges at the vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 2 k q² / a
D. k q² / 2a


Q145

The potential at the center of a uniformly charged ring is:

A. kQ/R
B. Zero
C. kQ/R²
D. Infinite


Q146

The electric field due to a uniformly charged ring at the center:

A. Zero
B. Maximum
C. Proportional to R
D. Infinite


Q147

Two point charges +q each are placed 1 m apart. The electric potential at midpoint is:

A. kq
B. Zero
C. kq/2
D. 2kq


Q148

Electric field inside a hollow conducting sphere is zero because:

A. Charges are on surface
B. Field lines cancel
C. Both A and B
D. Neither


Q149

A dipole placed in a uniform electric field experiences:

A. Force only
B. Torque only
C. Both torque and force
D. Neither


Q150

The magnitude of electric field on the axial line of a dipole is:

A. Maximum at infinity
B. Maximum at center
C. Maximum at finite distance
D. Zero


Q151

Two point charges +2 μC and –2 μC are separated by 0.4 m. The electric field at the midpoint is:

A. Zero
B. Along the line joining charges
C. Perpendicular to line joining charges
D. Cannot be determined


Q152

The potential energy of a dipole in a uniform electric field is:

A. Maximum when aligned with field
B. Minimum when aligned with field
C. Zero when along field
D. Zero when perpendicular


Q153

Two point charges are separated by distance r. If the distance is doubled, the electrostatic force becomes:

A. Quarter of original
B. Half of original
C. Double of original
D. Four times original


Q154

The electric field at a point along the axis of a uniformly charged ring of radius R:

A. Zero at center
B. Maximum at center
C. Increases linearly with distance
D. Infinite at center


Q155

Two charges +q each are placed at distance d. The potential at the midpoint is:

A. Zero
B. kq/d
C. 2kq/d
D. kq/2


Q156

The torque on a dipole in a uniform electric field is maximum when:

A. Dipole is along field
B. Dipole is perpendicular to field
C. Dipole is at 45°
D. Always zero


Q157

The net electric flux through a closed surface enclosing no charge is:

A. Zero
B. Maximum
C. Depends on shape
D. Infinite


Q158

The electric field inside a hollow conductor is zero because:

A. Charges reside on surface
B. Field lines cancel inside
C. Both A and B
D. None of the above


Q159

A positive test charge is placed midway between +3 μC and –3 μC separated by 0.3 m. The net force is:

A. Zero
B. Directed towards negative charge
C. Directed towards positive charge
D. Cannot be determined


Q160

The potential at a point on the equatorial line of a dipole is:

A. Maximum
B. Zero
C. kqd/r²
D. kqd/r³


Q161

The work done in moving a charge along an equipotential surface is:

A. Maximum
B. Zero
C. Depends on path
D. Depends on charge


Q162

The electric field due to a point charge q at distance r is:

A. kq/rkq/rkq/r
B. kq/r2kq/r^2kq/r2
C. kq/r3kq/r^3kq/r3
D. kqr2kq r^2kqr2


Q163

The potential at a point due to a system of charges is:

A. Scalar sum of potentials
B. Vector sum of potentials
C. Zero always
D. Equal to electric field


Q164

The SI unit of permittivity ε₀ is:

A. F/m
B. C/m²
C. N/C
D. C²/N·m²


Q165

Two charges +q and –q separated by distance 2a form a dipole. The potential at a point on axial line at distance r (r >> a) is:

A. kq/r
B. kqd/r²
C. kqd/r³
D. Zero


Q166

The potential at the center of a uniformly charged ring is:

A. Zero
B. kQ/R
C. kQ/R²
D. Infinite


Q167

The electric field at the center of a uniformly charged ring:

A. Zero
B. Maximum
C. Proportional to R
D. Infinite


Q168

Two equal charges are placed 1 m apart. The force between them in vacuum is 9 N. In a medium with dielectric constant K = 3, the force becomes:

A. 3 N
B. 9 N
C. 27 N
D. 1 N


Q169

The work done in assembling three identical charges at the vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q170

The electric field at the midpoint of two charges +q and –q separated by 2a is:

A. Maximum along line joining charges
B. Zero
C. Perpendicular to line joining charges
D. Infinite


Q171

A dipole of moment p is placed in uniform electric field. The net force on dipole is:

A. Zero
B. Along field
C. Perpendicular to field
D. Depends on orientation


Q172

A proton is accelerated through potential difference V. Its kinetic energy is:

A. eV
B. eV/2
C. 2eV
D. Zero


Q173

The magnitude of electric field on the axial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q174

The magnitude of electric field on the equatorial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q175

The potential energy of a dipole in a uniform electric field at angle θ is:

A. –pE cosθ
B. pE cosθ
C. –pE sinθ
D. pE sinθ


Q176

Two point charges of +3 μC and –3 μC are 0.2 m apart. The potential at midpoint is:

A. Zero
B. Maximum
C. –9 × 10⁵ V
D. 9 × 10⁵ V


Q177

The electrostatic force between two charges q1 and q2 separated by distance r in a medium with dielectric constant K:

A. kq1q2/r2k q_1 q_2 / r^2kq1​q2​/r2
B. kq1q2/(Kr2)k q_1 q_2 / (K r^2)kq1​q2​/(Kr2)
C. kq1q2/(Kr2)k q_1 q_2 / (\sqrt{K} r^2)kq1​q2​/(K​r2)
D. Independent of K


Q178

Equipotential surfaces around a point charge are:

A. Planes
B. Spheres
C. Cylinders
D. Random


Q179

The work done in moving a charge along a radial line in the field of a point charge is:

A. Zero
B. Positive
C. Negative
D. Depends on path


Q180

A dipole in uniform electric field experiences maximum torque when:

A. Along field
B. Perpendicular to field
C. At 45°
D. Anti-parallel to field

Q181

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at a point on the axial line at distance r (r >> a) is:

A. k2q/r2k2q/r^2k2q/r2
B. k2q/r3k2q/r^3k2q/r3
C. kqd/r3kqd/r^3kqd/r3
D. Zero


Q182

The electric field at a point on the equatorial line of a dipole is:

A. Zero
B. kqd/r2kqd/r^2kqd/r2
C. kqd/r3kqd/r^3kqd/r3
D. Maximum


Q183

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on displacement
D. Infinite


Q184

Two point charges q1 = 2 μC and q2 = 3 μC are placed 0.1 m apart. The electrostatic force is approximately:

A. 5.4 N
B. 6 N
C. 0.54 N
D. 0.06 N


Q185

A proton is released from rest in a uniform electric field E. Its kinetic energy after moving distance d is:

A. eEd
B. –eEd
C. Zero
D. eE/d


Q186

The potential at the center of a uniformly charged ring of radius R is:

A. Zero
B. kQ/RkQ/RkQ/R
C. kQ/R2kQ/R^2kQ/R2
D. Infinite


Q187

The electric field at the center of a uniformly charged ring:

A. Zero
B. Maximum
C. Proportional to R
D. Infinite


Q188

A dipole in uniform electric field experiences:

A. Force only
B. Torque only
C. Both force and torque
D. Neither


Q189

The potential energy of a system of three identical charges at vertices of an equilateral triangle of side a is:

A. 3kq²/a
B. kq²/a
C. 3/2 kq²/a
D. 2kq²/a


Q190

Two equal positive charges are placed 1 m apart. The potential at midpoint is:

A. Zero
B. kq
C. 2kq
D. kq/2


Q191

The torque on a dipole in a uniform field is maximum when:

A. Dipole along field
B. Dipole perpendicular to field
C. Dipole at 45°
D. Always zero


Q192

A test charge is placed at a point in space where electric potential is zero. The electric field at that point is:

A. Zero
B. Maximum
C. Depends on other charges
D. Minimum


Q193

Two point charges +q each separated by distance d produce force F. If charges are halved and distance doubled, new force is:

A. F/8
B. F/4
C. F/2
D. F


Q194

A charged particle is placed midway between two equal negative charges. The net force on particle is:

A. Zero
B. Directed toward one charge
C. Along line joining charges
D. Cannot be determined


Q195

The electric field at a point due to a uniformly charged thin spherical shell outside the shell is:

A. Zero
B. Same as point charge at center
C. Varies linearly with radius
D. Depends on shell material


Q196

The electric flux through a surface enclosing charge q in vacuum is:

A. q/ε₀
B. Zero
C. Depends on surface shape
D. Infinite


Q197

A dipole placed in uniform electric field experiences zero net force because:

A. Field is uniform
B. Charges are equal and opposite
C. Both A and B
D. None of the above


Q198

The work done in moving a charge q along a radial line from r1 to r2 in field of a point charge Q is:

A. kQq (1/r1 – 1/r2)
B. kQq (1/r2 – 1/r1)
C. Zero
D. Depends on path


Q199

The potential at a point on the axial line of a dipole at distance r (r >> dipole length) is:

A. kqd/r²
B. kqd/r³
C. Zero
D. kq/r


Q200

The potential at a point on the equatorial line of a dipole is:

A. Zero
B. Maximum
C. kqd/r²
D. kqd/r³


Q201

Two charges +q each are separated by 0.2 m. The force between them is 9 N. If charges are placed in a medium with dielectric constant 3, force becomes:

A. 3 N
B. 9 N
C. 27 N
D. 1 N


Q202

The electric field inside a spherical conductor carrying charge is:

A. Zero
B. Maximum at center
C. Same as outside
D. Varies linearly with radius


Q203

The potential energy of a dipole in uniform electric field is:

A. Maximum when aligned opposite to field
B. Minimum when aligned with field
C. Zero when perpendicular
D. All of the above


Q204

The work done in moving a test charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on path
D. Infinite


Q205

The torque on a dipole in uniform electric field is zero when:

A. Dipole along field
B. Dipole perpendicular to field
C. Dipole at 45°
D. Always nonzero


Q206

Electric field at a point due to a point charge q at distance r:

A. kq/rkq/rkq/r
B. kq/r2kq/r^2kq/r2
C. kq/r3kq/r^3kq/r3
D. kq r²


Q207

The potential at a point due to a point charge q at distance r is:

A. kq/r2kq/r^2kq/r2
B. kq/rkq/rkq/r
C. kqrkq rkqr
D. kqr2kq r^2kqr2


Q208

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at midpoint:

A. Zero
B. Maximum along line joining charges
C. Perpendicular to line joining charges
D. Infinite


Q209

The potential at the midpoint of two equal and opposite charges is:

A. Zero
B. Maximum
C. Minimum
D. Depends on distance


Q210

A dipole in uniform electric field experiences maximum torque when:

A. Along field
B. Perpendicular to field
C. At 45°
D. Anti-parallel to field

Q211

Two point charges +q and –q are separated by distance 2a. The electric field at a point on the perpendicular bisector at distance x from midpoint is:

A. Zero
B. Along bisector
C. Perpendicular to bisector
D. Cannot be determined


Q212

The electric flux through a closed surface enclosing charge q in vacuum is:

A. q/ε₀
B. Zero
C. Depends on shape of surface
D. Infinite


Q213

A proton is released from rest in a uniform electric field E. The acceleration is:

A. eE/m
B. E/m
C. Zero
D. Depends on distance


Q214

Two charges +q each are separated by distance d. The electric potential at midpoint is:

A. Zero
B. kq/d
C. 2kq/d
D. kq/2


Q215

The potential energy of a system of three identical charges at the vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q216

The electric field at the center of a uniformly charged ring:

A. Zero
B. Maximum
C. Proportional to R
D. Infinite


Q217

The potential at the center of a uniformly charged ring is:

A. Zero
B. kQ/R
C. kQ/R²
D. Infinite


Q218

A dipole in uniform electric field experiences:

A. Force only
B. Torque only
C. Both force and torque
D. Neither


Q219

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on displacement
D. Infinite


Q220

Two point charges q1 = 2 μC and q2 = 3 μC are placed 0.1 m apart. The electrostatic force between them is:

A. 5.4 N
B. 6 N
C. 0.54 N
D. 0.06 N


Q221

The potential at a point on the axial line of a dipole at distance r (r >> dipole length) is:

A. kqd/r²
B. kqd/r³
C. Zero
D. kq/r


Q222

The potential at a point on the equatorial line of a dipole is:

A. Zero
B. Maximum
C. kqd/r²
D. kqd/r³


Q223

The magnitude of electric field on the axial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q224

The magnitude of electric field on the equatorial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q225

The torque on a dipole in a uniform electric field is maximum when:

A. Dipole along field
B. Dipole perpendicular to field
C. Dipole at 45°
D. Always zero


Q226

The potential energy of a dipole in uniform electric field at angle θ is:

A. –pE cosθ
B. pE cosθ
C. –pE sinθ
D. pE sinθ


Q227

A point charge +q is placed at the center of a spherical Gaussian surface. The net flux through the surface is:

A. Zero
B. q/ε₀
C. q/2ε₀
D. Depends on radius


Q228

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at midpoint:

A. Zero
B. Along line joining charges
C. Perpendicular to line joining charges
D. Infinite


Q229

The electric field due to a uniformly charged thin spherical shell outside the shell is:

A. Zero
B. Same as point charge at center
C. Varies linearly with radius
D. Depends on shell material


Q230

The work done in moving a test charge along a radial line in the field of a point charge Q is:

A. kQq (1/r1 – 1/r2)
B. kQq (1/r2 – 1/r1)
C. Zero
D. Depends on path


Q231

A proton is accelerated through potential difference V. Its kinetic energy is:

A. eV
B. eV/2
C. 2eV
D. Zero


Q232

Two point charges +q each separated by distance d produce force F. If charges are halved and distance doubled, new force is:

A. F/8
B. F/4
C. F/2
D. F


Q233

A test charge is placed at a point in space where electric potential is zero. The electric field at that point is:

A. Zero
B. Maximum
C. Depends on other charges
D. Minimum


Q234

The electric flux through a closed surface enclosing no charge is:

A. Zero
B. Maximum
C. Depends on area
D. Infinite


Q235

The potential energy of a system of three identical charges at vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q236

The electric field inside a hollow conductor is zero because:

A. Charges reside on surface
B. Field lines cancel inside
C. Both A and B
D. None of the above


Q237

Two equal positive charges are placed 1 m apart. The potential at midpoint is:

A. Zero
B. kq
C. 2kq
D. kq/2


Q238

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on path
D. Infinite


Q239

A dipole in uniform electric field experiences maximum torque when:

A. Along field
B. Perpendicular to field
C. At 45°
D. Anti-parallel to field


Q240

The magnitude of electric field on the axial line of a dipole is:

A. Maximum at infinity
B. Maximum at center
C. Maximum at finite distance
D. Zero


Q241

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at a point on the perpendicular bisector at distance x from midpoint is:

A. Zero
B. Along bisector
C. Perpendicular to bisector
D. Cannot be determined


Q242

The electric flux through a closed surface enclosing charge q in vacuum is:

A. q/ε₀
B. Zero
C. Depends on shape of surface
D. Infinite


Q243

A proton is released from rest in a uniform electric field E. Its acceleration is:

A. eE/m
B. E/m
C. Zero
D. Depends on distance


Q244

Two charges +q each are separated by distance d. The electric potential at midpoint is:

A. Zero
B. kq/d
C. 2kq/d
D. kq/2


Q245

The potential energy of a system of three identical charges at the vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q246

The electric field at the center of a uniformly charged ring:

A. Zero
B. Maximum
C. Proportional to R
D. Infinite


Q247

The potential at the center of a uniformly charged ring is:

A. Zero
B. kQ/R
C. kQ/R²
D. Infinite


Q248

A dipole in uniform electric field experiences:

A. Force only
B. Torque only
C. Both force and torque
D. Neither


Q249

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on displacement
D. Infinite


Q250

Two point charges q1 = 2 μC and q2 = 3 μC are placed 0.1 m apart. The electrostatic force between them is:

A. 5.4 N
B. 6 N
C. 0.54 N
D. 0.06 N


Q251

The potential at a point on the axial line of a dipole at distance r (r >> dipole length) is:

A. kqd/r²
B. kqd/r³
C. Zero
D. kq/r


Q252

The potential at a point on the equatorial line of a dipole is:

A. Zero
B. Maximum
C. kqd/r²
D. kqd/r³


Q253

The magnitude of electric field on the axial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q254

The magnitude of electric field on the equatorial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q255

The torque on a dipole in a uniform electric field is maximum when:

A. Dipole along field
B. Dipole perpendicular to field
C. Dipole at 45°
D. Always zero


Q256

The potential energy of a dipole in uniform electric field at angle θ is:

A. –pE cosθ
B. pE cosθ
C. –pE sinθ
D. pE sinθ


Q257

A point charge +q is placed at the center of a spherical Gaussian surface. The net flux through the surface is:

A. Zero
B. q/ε₀
C. q/2ε₀
D. Depends on radius


Q258

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at midpoint:

A. Zero
B. Along line joining charges
C. Perpendicular to line joining charges
D. Infinite


Q259

The electric field due to a uniformly charged thin spherical shell outside the shell is:

A. Zero
B. Same as point charge at center
C. Varies linearly with radius
D. Depends on shell material


Q260

The work done in moving a test charge along a radial line in the field of a point charge Q is:

A. kQq (1/r1 – 1/r2)
B. kQq (1/r2 – 1/r1)
C. Zero
D. Depends on path


Q261

A proton is accelerated through potential difference V. Its kinetic energy is:

A. eV
B. eV/2
C. 2eV
D. Zero


Q262

Two point charges +q each separated by distance d produce force F. If charges are halved and distance doubled, new force is:

A. F/8
B. F/4
C. F/2
D. F


Q263

A test charge is placed at a point in space where electric potential is zero. The electric field at that point is:

A. Zero
B. Maximum
C. Depends on other charges
D. Minimum


Q264

The electric flux through a closed surface enclosing no charge is:

A. Zero
B. Maximum
C. Depends on area
D. Infinite


Q265

The potential energy of a system of three identical charges at vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q266

The electric field inside a hollow conductor is zero because:

A. Charges reside on surface
B. Field lines cancel inside
C. Both A and B
D. None of the above


Q267

Two equal positive charges are placed 1 m apart. The potential at midpoint is:

A. Zero
B. kq
C. 2kq
D. kq/2


Q268

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on path
D. Infinite


Q269

A dipole in uniform electric field experiences maximum torque when:

A. Along field
B. Perpendicular to field
C. At 45°
D. Anti-parallel to field


Q270

The magnitude of electric field on the axial line of a dipole is:

A. Maximum at infinity
B. Maximum at center
C. Maximum at finite distance
D. Zero

Q271

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at a point on the perpendicular bisector at distance x from midpoint is:

A. Zero
B. Along bisector
C. Perpendicular to bisector
D. Cannot be determined


Q272

The electric flux through a closed surface enclosing charge q in vacuum is:

A. q/ε₀
B. Zero
C. Depends on shape of surface
D. Infinite


Q273

A proton is released from rest in a uniform electric field E. Its acceleration is:

A. eE/m
B. E/m
C. Zero
D. Depends on distance


Q274

Two charges +q each are separated by distance d. The electric potential at midpoint is:

A. Zero
B. kq/d
C. 2kq/d
D. kq/2


Q275

The potential energy of a system of three identical charges at the vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q276

The electric field at the center of a uniformly charged ring:

A. Zero
B. Maximum
C. Proportional to R
D. Infinite


Q277

The potential at the center of a uniformly charged ring is:

A. Zero
B. kQ/R
C. kQ/R²
D. Infinite


Q278

A dipole in uniform electric field experiences:

A. Force only
B. Torque only
C. Both force and torque
D. Neither


Q279

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on displacement
D. Infinite


Q280

Two point charges q1 = 2 μC and q2 = 3 μC are placed 0.1 m apart. The electrostatic force between them is:

A. 5.4 N
B. 6 N
C. 0.54 N
D. 0.06 N


Q281

The potential at a point on the axial line of a dipole at distance r (r >> dipole length) is:

A. kqd/r²
B. kqd/r³
C. Zero
D. kq/r


Q282

The potential at a point on the equatorial line of a dipole is:

A. Zero
B. Maximum
C. kqd/r²
D. kqd/r³


Q283

The magnitude of electric field on the axial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q284

The magnitude of electric field on the equatorial line of a dipole is proportional to:

A. 1/r²
B. 1/r³
C. 1/r
D. Zero


Q285

The torque on a dipole in a uniform electric field is maximum when:

A. Dipole along field
B. Dipole perpendicular to field
C. Dipole at 45°
D. Always zero


Q286

The potential energy of a dipole in uniform electric field at angle θ is:

A. –pE cosθ
B. pE cosθ
C. –pE sinθ
D. pE sinθ


Q287

A point charge +q is placed at the center of a spherical Gaussian surface. The net flux through the surface is:

A. Zero
B. q/ε₀
C. q/2ε₀
D. Depends on radius


Q288

Two point charges +q and –q separated by distance 2a form a dipole. The electric field at midpoint:

A. Zero
B. Along line joining charges
C. Perpendicular to line joining charges
D. Infinite


Q289

The electric field due to a uniformly charged thin spherical shell outside the shell is:

A. Zero
B. Same as point charge at center
C. Varies linearly with radius
D. Depends on shell material


Q290

The work done in moving a test charge along a radial line in the field of a point charge Q is:

A. kQq (1/r1 – 1/r2)
B. kQq (1/r2 – 1/r1)
C. Zero
D. Depends on path


Q291

A proton is accelerated through potential difference V. Its kinetic energy is:

A. eV
B. eV/2
C. 2eV
D. Zero


Q292

Two point charges +q each separated by distance d produce force F. If charges are halved and distance doubled, new force is:

A. F/8
B. F/4
C. F/2
D. F


Q293

A test charge is placed at a point in space where electric potential is zero. The electric field at that point is:

A. Zero
B. Maximum
C. Depends on other charges
D. Minimum


Q294

The electric flux through a closed surface enclosing no charge is:

A. Zero
B. Maximum
C. Depends on area
D. Infinite


Q295

The potential energy of a system of three identical charges at vertices of an equilateral triangle of side a is:

A. 3 k q² / a
B. k q² / a
C. 3/2 k q² / a
D. 2 k q² / a


Q296

The electric field inside a hollow conductor is zero because:

A. Charges reside on surface
B. Field lines cancel inside
C. Both A and B
D. None of the above


Q297

Two equal positive charges are placed 1 m apart. The potential at midpoint is:

A. Zero
B. kq
C. 2kq
D. kq/2


Q298

The work done in moving a charge along an equipotential surface is:

A. Zero
B. Maximum
C. Depends on path
D. Infinite


Q299

A dipole in uniform electric field experiences maximum torque when:

A. Along field
B. Perpendicular to field
C. At 45°
D. Anti-parallel to field


Q300

The magnitude of electric field on the axial line of a dipole is:

A. Maximum at infinity
B. Maximum at center
C. Maximum at finite distance
D. Zero


Q.NoAnswerQ.NoAnswerQ.NoAnswer
1B101A201A
2C102C202A
3A103B203D
4A104C204A
5B105B205A
6B106B206C
7B107B207B
8B108B208B
9A109A209A
10B110A210B
11B111A211B
12A112A212A
13A113A213A
14B114A214C
15B115B215A
16B116B216A
17A117B217B
18A118B218B
19B119B219A
20B120B220A
21B121B221B
22A122A222A
23A123A223B
24A124A224B
25B125B225B
26B126B226A
27B127B227B
28B128B228C
29A129A229B
30B130A230A
31B131B231A
32A132A232A
33A133A233A
34B134B234A
35B135B235A
36A136A236C
37B137B237B
38A138B238A
39C139C239B
40C140C240C
41A141A241B
42B142A242A
43A143A243A
44A144A244C
45B145A245A
46A146A246A
47A147B247B
48B148C248B
49B149B249A
50C150C250A
151B201A251B
152A202A252A
153A203D253B
154A204A254B
155C205A255B
156B206C256A
157A207B257B
158C208B258C
159B209A259B
160B210B260A
161B211B261A
162B212A262A
163A213A263A
164A214C264A
165B215A265A
166B216A266C
167A217B267B
168A218B268A
169A219A269B
170B220A270C
171A221B271B
172A222A272A
173B223B273A
174B224B274C
175A225B275A
176A226A276A
177B227B277B
178B228C278B
179B229B279A
180B230A280A
181C231A281B
182B232A282A
183A233A283B
184A234A284B
185A235A285B
186B236C286A
187A237B287B
188B238A288C
189A239A289B
190C240C290A
191B241B291A
192A242A292A
193A243A293A
194B244C294A
195B245A295A
196A246A296C
197C247B297B
198A248B298A
199A249B299B
200B250A300C

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All content on this page is educational, and created for NEET exam practice. Questions are based on concepts from past NEET exams (2013–2025), rewritten in original form for study purposes. This website does not replicate official papers and is intended for learning only.