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Electric Circuits

Electric Circuits
A capacitor carries a charge of 0.1 C at 5 V. Its capacitance is

 0.2 F
 0.02 F
 0.05 F
 0.5 F

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Electric Circuits
A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is

 remain same.
 halved.
 increase by two times.
 doubled.

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Electric Circuits
In series RLC circuit what is the power factor just above the resonance frequency?

 Zero
 Lagging
 Leading
 Unity

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Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 two in parallel and one in series.
 three in parallel.
 three in series.
 two in parallel.

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Electric Circuits
Which of the following quantities consists of SI unit as WATT ?

 Current
 Power
 Force
 Charge

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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.
 10000 N.
 1000 N.
 100 N.

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