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Electric Circuits

Electric Circuits
In series R, L circuit power factor can be defined as

All of these
 P/S
 Vr/V
 R/Z

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Electric Circuits
A capacitor that stores charge of 0.5 C at 10 V has a capacitance of _____________ farad.

 10.
 20.
 0.05.
 5.

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Electric Circuits
1 F is theoretically equal to

 none of these
 1 ohm of resistance
 ratio of 1 V to 1 C
 ratio of 1 C to 1 V

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Electric Circuits
Resistor stores the energy in the form of

 electrical field.
None of these
 both A and B.
 magnetic field.

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Electric Circuits
A variable capacitance is one whose capacitance

 can be changed manually or by mechanical force.
 changes with time.
 changes with voltage.
 changes with temperature.

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 10 W.
 5 W.
 1 W.
  64 W.

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MORE MCQ ON Electric Circuits

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