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Electric Circuits

Electric Circuits
For steady state current inductor acts as

 Current source
 Open circuit
 Short circuit
 Voltage source

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 0.05 J.
 0.01 J.
 10 × 10-9 J.
 5 × 10-9 J.

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Electric Circuits
The mass of a proton is

 1.602 × 10 - 19 Kg.
 1.672 × 10 - 27 Kg.
 1.609 × 10 - 31 Kg.
 1.675 × 10 - 27 Kg.

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Electric Circuits
In which of the following oscillations are not present?

 Over damping
 Both 2 and 3
 Under damping
 Critical damping

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10 N.
 1000 N.
 10000 N.
 100 N.

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Electric Circuits
Total instantaneous power supplied by a 3 - φ AC supply to a balanced RL load is

 pulsating with non zero average.
 constant.
 zero.
 pulsating with zero average.

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MORE MCQ ON Electric Circuits

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