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Electric Circuits

Electric Circuits
In steady state condition capacitor acts as a

 current source
 voltage source
 short circuit
 open circuit

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Electric Circuits
When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is

 25 W.
 100 W.
 12.5 W.
 50 W.

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Electric Circuits
A branch of a network is said to be active when it consists of one

 resistor.
 inductor.
 capacitor.
 voltage source.

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Electric Circuits
If the length of a wire of resistance R is uniformly stretched to n times its original value, what will be its new resistance

  R / n2.
  nR .
  n2 / R.
  n2R.

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Electric Circuits
What is meant by the rate of flow of an electric charge?

None of these
 Electric resistance.
 Electric current.
 Electric potential.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 20 to 60 volts.
 200 to 1600 volts.
 2000 to 3000 volts.
 more than 10000 volts.

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MORE MCQ ON Electric Circuits

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