NEET Physics MCQs – Current Electricity

Q1

A wire of resistance 10 Ω carries a current of 2 A. Potential difference across it:

A. 5 V
B. 10 V
C. 20 V
D. 15 V


Q2

Two resistors, 6 Ω and 3 Ω, are connected in series to a 9 V battery. Current in the circuit:

A. 1 A
B. 2 A
C. 3 A
D. 0.5 A


Q3

Two resistors, 6 Ω and 3 Ω, connected in parallel to a 12 V battery. Current through 3 Ω resistor:

A. 2 A
B. 3 A
C. 4 A
D. 1 A


Q4

Resistivity of a wire depends on:

A. Length
B. Cross-sectional area
C. Material
D. Applied voltage


Q5

If length of a wire is doubled and its area is halved, its resistance:

A. Doubles
B. Quadruples
C. Halves
D. Remains same


Q6

A copper wire has resistance R at 20°C. At 100°C, resistance is:

A. Less than R
B. Equal to R
C. More than R
D. Zero


Q7

In a series circuit with three resistors, which is correct?

A. Voltage across each resistor is same
B. Current through each resistor is same
C. Power dissipated is same
D. Equivalent resistance is less than each resistor


Q8

In a parallel circuit with three resistors, which is correct?

A. Voltage across each resistor is same
B. Current through each resistor is same
C. Total resistance = sum of individual resistances
D. Power dissipated in each resistor is zero


Q9

Equivalent resistance of two resistors R1 and R2 in series:

A. R1 + R2
B. (R1 × R2)/(R1 + R2)
C. R1 – R2
D. √(R1² + R2²)


Q10

Equivalent resistance of two resistors R1 and R2 in parallel:

A. R1 + R2
B. (R1 × R2)/(R1 + R2)
C. R1 – R2
D. √(R1² + R2²)


Q11

Current through 5 Ω resistor connected across 10 V:

A. 2 A
B. 0.5 A
C. 5 A
D. 1 A


Q12

Current density J is defined as:

A. Current / length
B. Current × area
C. Current / area
D. Current × resistivity


Q13

Ohm’s law is valid for:

A. All conductors
B. Metallic conductors at constant temperature
C. Superconductors
D. Insulators


Q14

A battery of 12 V is connected to a resistor R. Power dissipated is 6 W. Resistance R = ?

A. 24 Ω
B. 12 Ω
C. 6 Ω
D. 4 Ω


Q15

A resistor of 10 Ω dissipates 20 W power. Current through it:

A. 1 A
B. 2 A
C. 4 A
D. 5 A


Q16

Heat produced in a resistor is proportional to:

A. Current² × time × resistance
B. Current × resistance
C. Voltage × resistance
D. Current × voltage


Q17

A wire of resistance 5 Ω carries a current of 3 A for 10 s. Heat produced:

A. 150 J
B. 450 J
C. 300 J
D. 500 J


Q18

The SI unit of resistivity:

A. Ω
B. Ω·m
C. Ω/m
D. V/A


Q19

Two wires of same material, one twice as long as the other and same cross-section. Resistance ratio:

A. 1:1
B. 2:1
C. 1:2
D. 4:1


Q20

For a metallic conductor, as temperature increases, resistivity:

A. Decreases
B. Increases
C. Remains constant
D. Becomes zero


Q21

An electric bulb has power rating 60 W, 220 V. Resistance of bulb:

A. 440 Ω
B. 484 Ω
C. 550 Ω
D. 400 Ω


Q22

A 6 Ω resistor carries 2 A current. Potential difference across it:

A. 12 V
B. 6 V
C. 3 V
D. 9 V


Q23

Kirchhoff’s first law is based on:

A. Conservation of energy
B. Conservation of charge
C. Ohm’s law
D. Joule’s law


Q24

Kirchhoff’s second law is based on:

A. Conservation of charge
B. Conservation of energy
C. Ohm’s law
D. Power law


Q25

A wire of resistance R is stretched to double its length. New resistance:

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


Q26

Two resistors 5 Ω and 10 Ω in parallel. Equivalent resistance:

A. 15 Ω
B. 10/3 Ω
C. 7.5 Ω
D. 2 Ω


Q27

Current through 2 Ω resistor connected across 6 V:

A. 2 A
B. 3 A
C. 1 A
D. 4 A


Q28

Resistivity of a conductor decreases with:

A. Temperature rise
B. Cross-sectional area
C. Length
D. Material density


Q29

A battery supplies 0.5 A to a 12 Ω resistor. Power delivered:

A. 3 W
B. 6 W
C. 1.5 W
D. 2 W


Q30

Two wires of same material and length, but different areas, ratio 1:2. Ratio of resistances:

A. 1:2
B. 2:1
C. 1:4
D. 4:1

Q31

Three resistors 2 Ω, 3 Ω, 6 Ω connected in series. Total resistance:

A. 11 Ω
B. 6 Ω
C. 1 Ω
D. 12 Ω


Q32

Three resistors 2 Ω, 3 Ω, 6 Ω connected in parallel. Total resistance:

A. 1 Ω
B. 11 Ω
C. 6 Ω
D. 12 Ω


Q33

Current through 3 Ω resistor in parallel with 6 Ω resistor across 12 V:

A. 2 A
B. 4 A
C. 1 A
D. 3 A


Q34

A resistor of 10 Ω dissipates 10 W. Current through it:

A. 1 A
B. 2 A
C. 3 A
D. 4 A


Q35

A copper wire of length 2 m and cross-section 1 mm² has resistance R. Another wire of same material, 4 m long, 2 mm² cross-section. Resistance:

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


Q36

Current density is:

A. J = I / A
B. J = V / R
C. J = R / I
D. J = I × R


Q37

A wire of resistance 5 Ω carries 2 A. Heat produced in 10 s:

A. 200 J
B. 100 J
C. 50 J
D. 150 J


Q38

Temperature coefficient of resistivity is:

A. α = Δρ / (ρ ΔT)
B. α = Δρ / (ρ T)
C. α = ΔR / (R ΔT)
D. α = ΔR / (R T)


Q39

Two resistors, R and 2R, connected in series to battery. Fraction of total voltage across R:

A. 1/3
B. 2/3
C. 1/2
D. 1/4


Q40

Two resistors, R and 2R, connected in parallel to battery. Fraction of total current through R:

A. 1/3
B. 2/3
C. 1/2
D. 1/4


Q41

A 12 V battery supplies 0.5 A to a resistor. Resistance:

A. 24 Ω
B. 12 Ω
C. 6 Ω
D. 8 Ω


Q42

Ohm’s law relates:

A. Voltage & current linearly at constant temperature
B. Voltage & resistance
C. Current & resistance
D. Power & current


Q43

A battery of emf 12 V and internal resistance 1 Ω connected to external 5 Ω resistor. Current:

A. 2 A
B. 1.5 A
C. 2.5 A
D. 3 A


Q44

Voltage drop across external resistor above:

A. 10 V
B. 12 V
C. 9 V
D. 8 V


Q45

A 60 W, 120 V bulb is connected to 240 V. Power:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q46

A battery of emf 12 V and internal resistance 1 Ω connected across 5 Ω resistor. Power delivered to resistor:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q47

A wire of cross-section 1 mm² and resistivity 1.7 ×10⁻⁸ Ω·m, length 2 m. Resistance:

A. 0.034 Ω
B. 0.017 Ω
C. 0.085 Ω
D. 0.5 Ω


Q48

Two wires of same material, lengths 1 m and 2 m, cross-sections 1 mm² and 2 mm². Resistances ratio:

A. 1:1
B. 2:1
C. 1:2
D. 4:1


Q49

Energy dissipated in 4 Ω resistor carrying 3 A for 5 s:

A. 180 J
B. 150 J
C. 100 J
D. 200 J


Q50

A wire of resistance 10 Ω carries 2 A. Energy in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 100 J


Q51

Current in a 6 Ω resistor with 12 V across it:

A. 1 A
B. 2 A
C. 0.5 A
D. 3 A


Q52

A 12 Ω resistor is in series with 6 Ω resistor across 18 V. Voltage across 6 Ω:

A. 6 V
B. 12 V
C. 9 V
D. 18 V


Q53

A 6 Ω resistor in parallel with 3 Ω resistor, battery 12 V. Voltage across 6 Ω:

A. 12 V
B. 6 V
C. 9 V
D. 3 V


Q54

A resistor’s resistance doubles. For same voltage, current:

A. Doubles
B. Halves
C. Remains same
D. Quadruples


Q55

A wire of resistance R is stretched to double length, volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q56

Resistors 2 Ω, 3 Ω, 6 Ω in series. Fraction of voltage across 3 Ω:

A. 1/3
B. 1/2
C. 1/4
D. 1/6


Q57

Three resistors 2 Ω, 3 Ω, 6 Ω in parallel. Fraction of total current through 6 Ω:

A. 1/3
B. 1/6
C. 1/2
D. 1/4


Q58

A 4 Ω resistor carries 2 A. Power dissipated:

A. 4 W
B. 8 W
C. 16 W
D. 32 W


Q59

Resistivity of a material increases with temperature. Material is:

A. Metal
B. Semiconductor
C. Superconductor
D. Insulator


Q60

Current through 3 Ω resistor connected to 6 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A

Q61

Two resistors 4 Ω and 6 Ω in series across 12 V. Voltage across 6 Ω:

A. 4 V
B. 6 V
C. 8 V
D. 12 V


Q62

Two resistors 4 Ω and 6 Ω in parallel across 12 V. Current through 4 Ω:

A. 2 A
B. 3 A
C. 1 A
D. 4 A


Q63

A battery of emf 12 V and internal resistance 1 Ω connected to 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q64

Current through external resistor above:

A. 2 A
B. 3 A
C. 1.5 A
D. 4 A


Q65

Total resistance of three resistors 2 Ω, 3 Ω, 6 Ω in series:

A. 11 Ω
B. 6 Ω
C. 1 Ω
D. 12 Ω


Q66

Total resistance of three resistors 2 Ω, 3 Ω, 6 Ω in parallel:

A. 1 Ω
B. 11 Ω
C. 6 Ω
D. 12 Ω


Q67

Current in 2 Ω resistor connected to 12 V:

A. 6 A
B. 2 A
C. 4 A
D. 1 A


Q68

A resistor dissipates 10 W with 2 A current. Resistance:

A. 2.5 Ω
B. 5 Ω
C. 10 Ω
D. 1 Ω


Q69

Resistivity of a wire depends on:

A. Material
B. Length
C. Cross-sectional area
D. Current


Q70

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q71

A wire of resistance 10 Ω carries 3 A. Heat produced in 5 s:

A. 150 J
B. 450 J
C. 300 J
D. 500 J


Q72

A 60 W, 120 V bulb. Resistance of filament:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q73

A 12 V battery connected to resistor. Power dissipated 6 W. Resistance:

A. 12 Ω
B. 24 Ω
C. 6 Ω
D. 18 Ω


Q74

Two wires of same length, areas A and 2A. Resistance ratio:

A. 1:1
B. 2:1
C. 1:2
D. 1:4


Q75

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q76

A resistor 10 Ω dissipates 20 W. Voltage across it:

A. 10 V
B. 20 V
C. 15 V
D. 5 V


Q77

Current density J = 5 × 10⁶ A/m², cross-section 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q78

A wire of 2 Ω carries 3 A. Power:

A. 6 W
B. 18 W
C. 9 W
D. 12 W


Q79

Kirchhoff’s first law is based on:

A. Conservation of energy
B. Conservation of charge
C. Ohm’s law
D. Power law


Q80

Kirchhoff’s second law is based on:

A. Conservation of energy
B. Conservation of charge
C. Ohm’s law
D. Joule’s law


Q81

Two resistors 6 Ω, 3 Ω in series with 12 V. Fraction of voltage across 6 Ω:

A. 1/2
B. 1/4
C. 2/3
D. 1/3


Q82

Two resistors 6 Ω, 3 Ω in parallel across 12 V. Current through 3 Ω:

A. 2 A
B. 4 A
C. 1 A
D. 3 A


Q83

A wire of resistance 5 Ω carries 2 A. Heat produced in 20 s:

A. 400 J
B. 500 J
C. 200 J
D. 100 J


Q84

Two wires of same material, lengths 2 m and 1 m, areas 1 mm² and 2 mm². Resistances ratio:

A. 2:1
B. 1:1
C. 1:2
D. 4:1


Q85

A 120 V, 60 W bulb connected across 240 V. Power:

A. 120 W
B. 240 W
C. 480 W
D. 60 W


Q86

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q87

A battery of 12 V, internal resistance 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 2.5 A
D. 3 A


Q88

Voltage across external resistor above:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q89

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q90

A resistor of 4 Ω carries 3 A. Energy in 5 s:

A. 180 J
B. 150 J
C. 100 J
D. 200 J


Q91

A wire of resistance 6 Ω is connected to a 12 V battery. Current:

A. 1 A
B. 2 A
C. 0.5 A
D. 3 A


Q92

Two resistors 3 Ω and 6 Ω in series across 9 V. Voltage across 3 Ω:

A. 3 V
B. 6 V
C. 9 V
D. 1 V


Q93

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 6 Ω:

A. 1 A
B. 2 A
C. 3 A
D. 4 A


Q94

Current density J = 10⁶ A/m², cross-section 2 mm². Current:

A. 2 A
B. 5 A
C. 10 A
D. 20 A


Q95

A resistor dissipates 50 W with 5 A current. Voltage across resistor:

A. 10 V
B. 5 V
C. 50 V
D. 25 V


Q96

A battery of emf 12 V, internal resistance 1 Ω connected to 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q97

Power delivered to above external resistor:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q98

A 60 W, 120 V bulb is connected to 240 V supply. Power consumed:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q99

Resistance of 120 V, 60 W bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q100

A 2 Ω resistor carries 3 A. Power dissipated:

A. 6 W
B. 9 W
C. 12 W
D. 18 W


Q101

Wire of resistance R is stretched to double its length. Volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q102

Two resistors 5 Ω and 10 Ω in series. Fraction of total voltage across 5 Ω:

A. 1/3
B. 1/2
C. 2/3
D. 1/4


Q103

Two resistors 5 Ω and 10 Ω in parallel. Fraction of total current through 10 Ω:

A. 1/3
B. 1/2
C. 2/3
D. 1/4


Q104

Current through 6 Ω resistor connected across 12 V:

A. 1 A
B. 2 A
C. 0.5 A
D. 3 A


Q105

Heat produced in 5 Ω resistor carrying 2 A for 10 s:

A. 200 J
B. 100 J
C. 150 J
D. 250 J


Q106

A 12 V battery connected to resistor dissipating 6 W. Resistance:

A. 12 Ω
B. 24 Ω
C. 6 Ω
D. 18 Ω


Q107

Two wires, lengths 2 m and 1 m, cross-section 1 mm² each. Same material. Resistance ratio:

A. 2:1
B. 1:2
C. 1:1
D. 4:1


Q108

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q109

Wire of 10 Ω, current 2 A. Heat produced in 5 s:

A. 200 J
B. 100 J
C. 250 J
D. 150 J


Q110

Two resistors 2 Ω, 3 Ω in series across 10 V. Voltage across 3 Ω:

A. 4 V
B. 6 V
C. 2 V
D. 3 V


Q111

Two resistors 2 Ω, 3 Ω in parallel across 10 V. Current through 2 Ω:

A. 2 A
B. 3 A
C. 5 A
D. 1 A


Q112

Battery 12 V, internal 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q113

Voltage across external resistor:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q114

Power delivered to external resistor:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q115

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q116

Current density J = 5 × 10⁶ A/m², area 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q117

Two wires, same length and material, areas 1 mm², 2 mm². Resistance ratio:

A. 2:1
B. 1:2
C. 1:1
D. 4:1


Q118

A 120 V, 60 W bulb. Resistance:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q119

A 12 Ω resistor carries 1.5 A. Power dissipated:

A. 27 W
B. 18 W
C. 24 W
D. 30 W


Q120

Current through 3 Ω resistor connected to 6 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A

Q121

Two resistors 4 Ω and 8 Ω are connected in series to a 12 V battery. Voltage across 4 Ω:

A. 4 V
B. 6 V
C. 8 V
D. 3 V


Q122

Two resistors 4 Ω and 8 Ω are connected in parallel to a 12 V battery. Current through 8 Ω:

A. 1 A
B. 2 A
C. 3 A
D. 1.5 A


Q123

A 12 V battery is connected to a resistor dissipating 6 W. Resistance:

A. 12 Ω
B. 24 Ω
C. 6 Ω
D. 18 Ω


Q124

Two wires of same material, lengths 2 m and 1 m, cross-sections 1 mm² and 2 mm². Resistance ratio:

A. 2:1
B. 1:1
C. 1:2
D. 4:1


Q125

A battery of emf 12 V and internal resistance 1 Ω is connected to external 5 Ω resistor. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q126

Voltage across external resistor in above circuit:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q127

Power delivered to external resistor:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q128

Current density J = 5 × 10⁶ A/m², cross-section 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q129

A 2 Ω resistor carries 3 A. Energy dissipated in 5 s:

A. 90 J
B. 150 J
C. 120 J
D. 180 J


Q130

Wire of 10 Ω resistance, current 2 A. Heat produced in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 300 J


Q131

Two resistors 6 Ω and 3 Ω in series. Total resistance:

A. 9 Ω
B. 3 Ω
C. 6 Ω
D. 12 Ω


Q132

Two resistors 6 Ω and 3 Ω in parallel. Total resistance:

A. 2 Ω
B. 9 Ω
C. 1 Ω
D. 3 Ω


Q133

Current through 3 Ω resistor in above parallel circuit with 12 V:

A. 4 A
B. 2 A
C. 1 A
D. 3 A


Q134

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q135

A 12 V battery is connected to a 12 Ω resistor. Current:

A. 1 A
B. 2 A
C. 0.5 A
D. 3 A


Q136

Two resistors R1 = 2 Ω and R2 = 3 Ω in series across 10 V. Voltage across R2:

A. 4 V
B. 6 V
C. 5 V
D. 2 V


Q137

Two resistors R1 = 2 Ω and R2 = 3 Ω in parallel across 10 V. Current through R1:

A. 2 A
B. 5 A
C. 1 A
D. 3 A


Q138

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q139

A wire of resistance R is stretched to double its length, volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q140

Two wires of same material, lengths 2 m and 1 m, cross-sections 1 mm² each. Resistance ratio:

A. 2:1
B. 1:2
C. 1:1
D. 4:1


Q141

A 12 Ω resistor carries 1 A. Power dissipated:

A. 12 W
B. 10 W
C. 15 W
D. 18 W


Q142

Current through 3 Ω resistor connected across 6 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q143

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q144

Current density J = 10⁶ A/m², cross-section 2 mm². Current:

A. 2 A
B. 5 A
C. 10 A
D. 20 A


Q145

Power dissipated in 4 Ω resistor carrying 3 A:

A. 12 W
B. 36 W
C. 24 W
D. 9 W


Q146

A 120 V, 60 W bulb connected across 240 V. Power:

A. 120 W
B. 240 W
C. 480 W
D. 60 W


Q147

Kirchhoff’s first law is based on:

A. Conservation of charge
B. Conservation of energy
C. Ohm’s law
D. Joule’s law


Q148

Kirchhoff’s second law is based on:

A. Conservation of energy
B. Conservation of charge
C. Ohm’s law
D. Joule’s law


Q149

A resistor dissipates 50 W with 5 A current. Voltage across it:

A. 10 V
B. 25 V
C. 50 V
D. 20 V


Q150

Wire of 10 Ω carries 2 A. Heat produced in 5 s:

A. 200 J
B. 100 J
C. 250 J
D. 150 J


Q151

Two resistors 4 Ω and 8 Ω in series across 12 V. Voltage across 8 Ω:

A. 8 V
B. 4 V
C. 12 V
D. 6 V


Q152

Two resistors 4 Ω and 8 Ω in parallel across 12 V. Current through 4 Ω:

A. 2 A
B. 3 A
C. 1 A
D. 1.5 A


Q153

Battery of emf 12 V, internal resistance 1 Ω connected to 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q154

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q155

Current density J = 10⁶ A/m², cross-section 1 mm². Current:

A. 1 A
B. 10 A
C. 0.1 A
D. 5 A


Q156

A resistor of 6 Ω carries 2 A. Power dissipated:

A. 12 W
B. 18 W
C. 24 W
D. 6 W


Q157

Wire of resistance 5 Ω carries 3 A. Heat produced in 10 s:

A. 450 J
B. 300 J
C. 150 J
D. 600 J


Q158

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q159

Current through 12 Ω resistor connected across 24 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q160

Two resistors R and 2R in series across 12 V. Voltage across R:

A. 4 V
B. 6 V
C. 8 V
D. 12 V


Q161

Two resistors R and 2R in parallel across 12 V. Current through R:

A. 4 I₀
B. 2 I₀
C. I₀
D. 0.5 I₀


Q162

Wire of resistance R stretched to double length, volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q163

Two wires of same material, lengths 1 m and 2 m, cross-sections 1 mm² each. Resistance ratio:

A. 1:2
B. 2:1
C. 1:1
D. 4:1


Q164

A 120 V, 60 W bulb connected to 240 V. Power consumed:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q165

A resistor dissipates 50 W with 5 A current. Voltage across it:

A. 10 V
B. 20 V
C. 25 V
D. 50 V


Q166

Two resistors 3 Ω and 6 Ω in series across 12 V. Voltage across 3 Ω:

A. 4 V
B. 6 V
C. 3 V
D. 8 V


Q167

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 3 Ω:

A. 2 A
B. 4 A
C. 3 A
D. 1 A


Q168

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q169

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q170

Current density J = 5 × 10⁶ A/m², cross-section 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q171

Battery 12 V, internal resistance 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q172

Voltage across external resistor above:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q173

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q174

A wire of resistance 10 Ω carries 2 A. Energy dissipated in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 300 J


Q175

Two resistors 2 Ω and 3 Ω in series across 10 V. Voltage across 3 Ω:

A. 6 V
B. 4 V
C. 5 V
D. 3 V


Q176

Two resistors 2 Ω and 3 Ω in parallel across 10 V. Current through 2 Ω:

A. 5 A
B. 2 A
C. 3 A
D. 1 A


Q177

Wire of 5 Ω, current 2 A. Power:

A. 20 W
B. 10 W
C. 15 W
D. 5 W


Q178

Heat produced in 4 Ω resistor carrying 3 A for 5 s:

A. 180 J
B. 150 J
C. 200 J
D. 100 J


Q179

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q180

Current through 6 Ω resistor connected to 12 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q181

Two resistors 5 Ω and 10 Ω in series across 15 V. Voltage across 5 Ω:

A. 5 V
B. 10 V
C. 15 V
D. 7.5 V


Q182

Two resistors 5 Ω and 10 Ω in parallel across 15 V. Current through 10 Ω:

A. 1.5 A
B. 0.5 A
C. 1 A
D. 2 A


Q183

A 12 V battery, internal resistance 1 Ω connected to external 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q184

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q185

Current density J = 10⁶ A/m², cross-section 2 mm². Current:

A. 2 A
B. 5 A
C. 10 A
D. 20 A


Q186

Wire of resistance 4 Ω carries 3 A. Power dissipated:

A. 36 W
B. 12 W
C. 24 W
D. 9 W


Q187

Heat produced in 5 Ω resistor carrying 2 A for 10 s:

A. 200 J
B. 100 J
C. 150 J
D. 250 J


Q188

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q189

Current through 12 Ω resistor connected across 24 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q190

Two resistors R and 2R in series across 12 V. Voltage across R:

A. 4 V
B. 6 V
C. 8 V
D. 12 V


Q191

Two resistors R and 2R in parallel across 12 V. Current through R:

A. 4 I₀
B. 2 I₀
C. I₀
D. 0.5 I₀


Q192

Wire of resistance R is stretched to double its length, volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q193

Two wires of same material, lengths 1 m and 2 m, cross-sections 1 mm² each. Resistance ratio:

A. 1:2
B. 2:1
C. 1:1
D. 4:1


Q194

A 120 V, 60 W bulb connected to 240 V. Power consumed:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q195

A resistor dissipates 50 W with 5 A current. Voltage across it:

A. 10 V
B. 20 V
C. 25 V
D. 50 V


Q196

Two resistors 3 Ω and 6 Ω in series across 12 V. Voltage across 3 Ω:

A. 4 V
B. 6 V
C. 3 V
D. 8 V


Q197

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 3 Ω:

A. 2 A
B. 4 A
C. 3 A
D. 1 A


Q198

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q199

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q200

Current density J = 5 × 10⁶ A/m², cross-section 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q201

Battery 12 V, internal resistance 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q202

Voltage across external resistor above:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q203

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q204

A wire of resistance 10 Ω carries 2 A. Energy dissipated in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 300 J


Q205

Two resistors 2 Ω and 3 Ω in series across 10 V. Voltage across 3 Ω:

A. 6 V
B. 4 V
C. 5 V
D. 3 V


Q206

Two resistors 2 Ω and 3 Ω in parallel across 10 V. Current through 2 Ω:

A. 5 A
B. 2 A
C. 3 A
D. 1 A


Q207

Wire of 5 Ω, current 2 A. Power:

A. 20 W
B. 10 W
C. 15 W
D. 5 W


Q208

Heat produced in 4 Ω resistor carrying 3 A for 5 s:

A. 180 J
B. 150 J
C. 200 J
D. 100 J


Q209

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q210

Current through 6 Ω resistor connected to 12 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A

Q211

Two resistors 3 Ω and 6 Ω in series across 12 V. Voltage across 6 Ω:

A. 8 V
B. 4 V
C. 6 V
D. 12 V


Q212

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 3 Ω:

A. 4 A
B. 2 A
C. 1 A
D. 3 A


Q213

A 12 V battery, internal resistance 1 Ω connected to 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q214

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q215

Current density J = 5 × 10⁶ A/m², cross-section 1 mm². Current:

A. 5 A
B. 2 A
C. 10 A
D. 1 A


Q216

Wire of resistance 8 Ω carries 2 A. Power dissipated:

A. 32 W
B. 16 W
C. 24 W
D. 8 W


Q217

Heat produced in 6 Ω resistor carrying 3 A for 5 s:

A. 225 J
B. 180 J
C. 150 J
D. 200 J


Q218

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q219

Current through 12 Ω resistor connected across 24 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q220

Two resistors R and 2R in series across 12 V. Voltage across 2R:

A. 4 V
B. 6 V
C. 8 V
D. 12 V


Q221

Two resistors R and 2R in parallel across 12 V. Current through 2R:

A. 0.5 I₀
B. I₀
C. 2 I₀
D. 4 I₀


Q222

Wire of resistance R is stretched to double its length, volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q223

Two wires of same material, lengths 1 m and 2 m, cross-sections 1 mm² each. Resistance ratio:

A. 1:2
B. 2:1
C. 1:1
D. 4:1


Q224

A 120 V, 60 W bulb connected to 240 V. Power consumed:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q225

A resistor dissipates 50 W with 5 A current. Voltage across it:

A. 10 V
B. 20 V
C. 25 V
D. 50 V


Q226

Two resistors 3 Ω and 6 Ω in series across 12 V. Voltage across 6 Ω:

A. 4 V
B. 8 V
C. 6 V
D. 12 V


Q227

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 6 Ω:

A. 2 A
B. 1 A
C. 3 A
D. 4 A


Q228

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q229

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q230

Current density J = 5 × 10⁶ A/m², cross-section 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q231

Battery 12 V, internal resistance 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q232

Voltage across external resistor above:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q233

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q234

A wire of resistance 10 Ω carries 2 A. Energy dissipated in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 300 J


Q235

Two resistors 2 Ω and 3 Ω in series across 10 V. Voltage across 2 Ω:

A. 4 V
B. 6 V
C. 5 V
D. 3 V


Q236

Two resistors 2 Ω and 3 Ω in parallel across 10 V. Current through 3 Ω:

A. 2 A
B. 3 A
C. 1 A
D. 5 A


Q237

Wire of 5 Ω, current 2 A. Power:

A. 20 W
B. 10 W
C. 15 W
D. 5 W


Q238

Heat produced in 4 Ω resistor carrying 3 A for 5 s:

A. 180 J
B. 150 J
C. 200 J
D. 100 J


Q239

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q240

Current through 6 Ω resistor connected to 12 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A

Q241

Two resistors 5 Ω and 10 Ω in series across 15 V. Voltage across 10 Ω:

A. 10 V
B. 5 V
C. 15 V
D. 7.5 V


Q242

Two resistors 5 Ω and 10 Ω in parallel across 15 V. Current through 5 Ω:

A. 3 A
B. 2 A
C. 1.5 A
D. 1 A


Q243

Battery of emf 12 V, internal resistance 1 Ω connected to 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q244

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q245

Current density J = 2 × 10⁶ A/m², cross-section 2 mm². Current:

A. 4 A
B. 2 A
C. 6 A
D. 1 A


Q246

Wire of resistance 6 Ω carries 2 A. Power dissipated:

A. 24 W
B. 12 W
C. 18 W
D. 6 W


Q247

Heat produced in 8 Ω resistor carrying 3 A for 5 s:

A. 360 J
B. 300 J
C. 200 J
D. 180 J


Q248

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q249

Current through 12 Ω resistor connected across 24 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q250

Two resistors R and 3R in series across 12 V. Voltage across R:

A. 3 V
B. 6 V
C. 9 V
D. 12 V


Q251

Two resistors R and 3R in parallel across 12 V. Current through R:

A. 0.75 I₀
B. I₀
C. 1.5 I₀
D. 3 I₀


Q252

Wire of resistance R is stretched to triple its length, volume constant. New resistance:

A. 3R
B. 9R
C. 27R
D. R


Q253

Two wires of same material, lengths 1 m and 3 m, cross-sections 1 mm² each. Resistance ratio:

A. 1:3
B. 3:1
C. 1:1
D. 9:1


Q254

A 120 V, 60 W bulb connected to 240 V. Power consumed:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q255

A resistor dissipates 50 W with 5 A current. Voltage across it:

A. 10 V
B. 20 V
C. 25 V
D. 50 V


Q256

Two resistors 3 Ω and 6 Ω in series across 12 V. Voltage across 6 Ω:

A. 4 V
B. 8 V
C. 6 V
D. 12 V


Q257

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 6 Ω:

A. 2 A
B. 1 A
C. 3 A
D. 4 A


Q258

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q259

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q260

Current density J = 5 × 10⁶ A/m², cross-section 1 mm². Current:

A. 5 A
B. 2.5 A
C. 10 A
D. 1 A


Q261

Battery 12 V, internal resistance 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q262

Voltage across external resistor above:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q263

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q264

A wire of resistance 10 Ω carries 2 A. Energy dissipated in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 300 J


Q265

Two resistors 2 Ω and 3 Ω in series across 10 V. Voltage across 2 Ω:

A. 4 V
B. 6 V
C. 5 V
D. 3 V


Q266

Two resistors 2 Ω and 3 Ω in parallel across 10 V. Current through 3 Ω:

A. 2 A
B. 3 A
C. 1 A
D. 5 A


Q267

Wire of 5 Ω, current 2 A. Power:

A. 20 W
B. 10 W
C. 15 W
D. 5 W


Q268

Heat produced in 4 Ω resistor carrying 3 A for 5 s:

A. 180 J
B. 150 J
C. 200 J
D. 100 J


Q269

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q270

Current through 6 Ω resistor connected to 12 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q271

Two resistors 4 Ω and 8 Ω in series across 12 V. Voltage across 8 Ω:

A. 8 V
B. 4 V
C. 12 V
D. 6 V


Q272

Two resistors 4 Ω and 8 Ω in parallel across 12 V. Current through 4 Ω:

A. 3 A
B. 2 A
C. 1.5 A
D. 1 A


Q273

A 12 V battery, internal resistance 1 Ω connected to 5 Ω resistor. Terminal voltage:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q274

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q275

Current density J = 10⁶ A/m², cross-section 1 mm². Current:

A. 1 A
B. 10 A
C. 0.1 A
D. 5 A


Q276

Wire of resistance 6 Ω carries 2 A. Power dissipated:

A. 24 W
B. 12 W
C. 18 W
D. 6 W


Q277

Heat produced in 5 Ω resistor carrying 2 A for 10 s:

A. 200 J
B. 100 J
C. 150 J
D. 250 J


Q278

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q279

Current through 12 Ω resistor connected across 24 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A


Q280

Two resistors R and 2R in series across 12 V. Voltage across R:

A. 4 V
B. 6 V
C. 8 V
D. 12 V


Q281

Two resistors R and 2R in parallel across 12 V. Current through 2R:

A. 0.5 I₀
B. I₀
C. 2 I₀
D. 4 I₀


Q282

Wire of resistance R is stretched to double its length, volume constant. New resistance:

A. 2R
B. 4R
C. 8R
D. R


Q283

Two wires of same material, lengths 1 m and 2 m, cross-sections 1 mm² each. Resistance ratio:

A. 1:2
B. 2:1
C. 1:1
D. 4:1


Q284

A 120 V, 60 W bulb connected to 240 V. Power consumed:

A. 60 W
B. 120 W
C. 240 W
D. 480 W


Q285

A resistor dissipates 50 W with 5 A current. Voltage across it:

A. 10 V
B. 20 V
C. 25 V
D. 50 V


Q286

Two resistors 3 Ω and 6 Ω in series across 12 V. Voltage across 6 Ω:

A. 4 V
B. 8 V
C. 6 V
D. 12 V


Q287

Two resistors 3 Ω and 6 Ω in parallel across 12 V. Current through 6 Ω:

A. 2 A
B. 1 A
C. 3 A
D. 4 A


Q288

Resistivity of copper:

A. 1.7 × 10⁻⁸ Ω·m
B. 1.7 × 10⁻⁶ Ω·m
C. 2 × 10⁻⁸ Ω·m
D. 2 × 10⁻⁶ Ω·m


Q289

Temperature coefficient of resistivity of metals:

A. Positive
B. Negative
C. Zero
D. Infinite


Q290

Current density J = 5 × 10⁶ A/m², cross-section 2 mm². Current:

A. 10 A
B. 5 A
C. 20 A
D. 2 A


Q291

Battery 12 V, internal resistance 1 Ω, external 5 Ω. Current:

A. 2 A
B. 1.5 A
C. 3 A
D. 1 A


Q292

Voltage across external resistor above:

A. 10 V
B. 11 V
C. 12 V
D. 9 V


Q293

Power delivered to external resistor above:

A. 10 W
B. 12 W
C. 15 W
D. 20 W


Q294

A wire of resistance 10 Ω carries 2 A. Energy dissipated in 10 s:

A. 400 J
B. 200 J
C. 500 J
D. 300 J


Q295

Two resistors 2 Ω and 3 Ω in series across 10 V. Voltage across 2 Ω:

A. 4 V
B. 6 V
C. 5 V
D. 3 V


Q296

Two resistors 2 Ω and 3 Ω in parallel across 10 V. Current through 3 Ω:

A. 2 A
B. 3 A
C. 1 A
D. 5 A


Q297

Wire of 5 Ω, current 2 A. Power:

A. 20 W
B. 10 W
C. 15 W
D. 5 W


Q298

Heat produced in 4 Ω resistor carrying 3 A for 5 s:

A. 180 J
B. 150 J
C. 200 J
D. 100 J


Q299

Resistance of 60 W, 120 V bulb:

A. 240 Ω
B. 120 Ω
C. 200 Ω
D. 180 Ω


Q300

Current through 6 Ω resistor connected to 12 V:

A. 2 A
B. 1 A
C. 0.5 A
D. 3 A

Q NoAnswerQ NoAnswerQ NoAnswer
1B101B201B
2C102C202B
3A103B203C
4D104A204A
5B105D205A
6C106A206B
7B107B207A
8C108D208A
9B109B209B
10A110C210A
11B111A211B
12C112D212B
13A113B213B
14C114A214B
15D115B215C
16B116C216A
17A117D217B
18C118A218B
19B119D219A
20A120B220B
21A121D221A
22B122A222B
23C123B223A
24A124B224C
25B125B225C
26A126A226B
27B127B227B
28C128A228A
29A129A229A
30A130A230A
31A131A231B
32A132A232A
33B133B233B
34A134A234A
35A135A235B
36B136B236B
37A137A237A
38A138A238A
39B139B239B
40A140A240A
41A141A241B
42B142B242C
43A143A243B
44A144A244B
45B145B245A
46B146C246A
47A147A247A
48C148A248B
49C149D249B
50A150A250B
51A151D251B
52B152A252B
53B153B253A
54B154C254C
55A155C255C
56B156A256B
57B157A257B
58C158A258A
59B159A259A
60B160B260A
61C161C261B
62B162B262B
63A163A263B
64B164C264A
65C165C265A
66B166B266B
67C167B267A
68A168A268A
69B169A269B
70A170C270A
71B171B271A
72A172A272B
73C173B273B
74B174A274B
75C175B275B
76B176B276A
77C177A277A
78B178A278B
79C179B279A
80A180A280B
81B181A281A
82C182B282B
83A183B283A
84B184B284C
85C185C285C
86B186A286B
87C187B287B
88A188A288A
89B189A289A
90C190B290A
91B191B291B
92A192B292A
93C193A293B
94B194C294A
95C195C295B
96A196B296B
97B197B297A
98C198A298A
99B199A299B
100A200A300A

Disclaimer:

These MCQs are original, created for educational purposes. They are based on concepts from NEET syllabus but are not exact questions from previous years’ papers. Use them for practice, self-assessment, and learning.