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Electric Circuits

Electric Circuits
In parallel RC circuit total current is 5A and current through resistor is 3A. What is the current through capacitor?

 5A
 4A
 3A
 2A

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Electric Circuits
The capacitance of a conductor is varying from 2 microfarad to zero in 1 sec linearly if the voltage applied to it is 6 V the energy stored in 0.5 sec in the condenser is

 18 µ joules.
  55.1 µ joules.
 10 µ joules.
 20 µ joules.

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Electric Circuits
In what connection we get neutral?

  Star.
  Mesh.
  Both A and B.
  Delta.

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

  P.
 4P.
 2P.
 16P.

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Electric Circuits
A capacitor

 passes both AC and DC.
 passes DC but blocks AC.
 blocks both AC and DC.
 passes AC but blocks DC.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 10
 2.5
 1
 - 1.25

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