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Electric Circuits

Electric Circuits
In a capacitor the electric charge is stored in

 metal plates.
 both of (A) and (B).
 dielectric.
 none of above.

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 7.5 W.
 1 W.
 9/8 W.
 6/8W.

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Electric Circuits
Which material has extremely large resistance?

 Semiconductor
 Insulator
None of these
 Conductor

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current decreases abruptly.
 the current increases.
 the current decreases.
 the current remain unaltered.

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Electric Circuits
What is the reactive power in AC operation?

 Real power × cosθ.
 Apparent power × sinθ.
 Real power × sinθ.
 Apparent power × cosθ.

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

 4A
 3A
 5A
 2A

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MORE MCQ ON Electric Circuits

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