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Electric Circuits

Electric Circuits
In steady state condition capacitor acts as a

 open circuit
 short circuit
 voltage source
 current source

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Electric Circuits
The breakdown voltage for paper capacitor is usually

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

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Electric Circuits
What is a resistor?

 Hello
 Inductor
 Test
 Capacitor

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Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 50√2 V, 100 Hz.
 100 V, 50 Hz.
 100√2 V, 100 Hz.
 100 V, 100 Hz.

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Electric Circuits
A 10Ω resistor is stretched to increase its length double. Its resistance will now be

 5 Ω.
 10 Ω.
 20 Ω.
 40 Ω.

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Electric Circuits
A current is said to be alternating when it changes in

 both ‘a’ and ‘b’.
 direction.
 magnitude.
 none of these.

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MORE MCQ ON Electric Circuits

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