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Current Electricity Mock Tests

200 questions available

Current Electricity Mock Test 1

Questions: 30

Current Electricity Mock Test 2

Questions: 30

Current Electricity Mock Test 3

Questions: 30

Current Electricity Mock Test 4

Questions: 30

Current Electricity Mock Test 5

Questions: 30

Current Electricity Mock Test 6

Questions: 30

Current Electricity Mock Test 7

Questions: 20

नमूना प्रश्न

Class 12 Physics
Very large number of electrons per unit volume in a conductor is 8.5 × 10²⁸ m⁻³. If a current of 3 A flows through a cross-sectional area of 2 × 10⁻⁶ m², the drift velocity of electrons is approximately (e = 1.6 × 10⁻¹⁹ C):
A 0.11 mm/s
B 1.1 mm/s
C 11 mm/s
D 0.011 mm/s
NEET Physics
A battery of emf 12 V and internal resistance 2 Ω is connected to a resistor of 4 Ω. The current in the circuit is:
A 2 A
B 3 A
C 4 A
D 6 A
EAPCET Physics
A copper wire has resistance 10 Ω at 20°C. The temperature coefficient of resistance for copper is 0.004/°C. The resistance of the wire at 100°C is:
A 13.2 Ω
B 10.4 Ω
C 12.0 Ω
D 14.8 Ω
BITSAT Physics
A battery of emf 12 V and internal resistance 1 Ω is connected to a load of 5 Ω. The terminal voltage is:
A 10 V
B 12 V
C 14.4 V
D 2 V
NEET Physics
A battery of emf 12 V and internal resistance 2 Ω is connected to a resistor of 4 Ω. The potential difference across the resistor is:
A 8 V
B 12 V
C 4 V
D 6 V
NEET Physics
A current of 2 A flows through a resistor of 10 Ω. The power dissipated in the resistor is:
A 40 W
B 20 W
C 5 W
D 200 W
BITSAT Physics
A wire of resistance R is bent into a circle. The equivalent resistance between two points on the circle separated by an angle θ is:
A Rθ/(2π)
B Rθ(2π - θ)/(2π²)
C Rθ(2π - θ)/(4π²)
D R(2π - θ)/π
Class 12 Physics
Three resistors of 2 ohm, 3 ohm, and 6 ohm are connected in parallel. The equivalent resistance is:
A 1 ohm
B 2 ohm
C 3 ohm
D 11 ohm

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