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Electric Circuits

Electric Circuits
In the above question find the angle between voltage and current?

 30.
 90.
 54.74.
 60.

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

 Unity
 Leading
 Lagging
 Zero

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Electric Circuits
While Thevenizing a circuit between two terminals, VTH is equal to

 short circuit terminal voltage.
 none of these.
 open circuit terminal voltage .
 net voltage available in the circuit.

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 0.5.
 0.577.
 0.866.
 1.

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Electric Circuits
The resistance of 100 W, 200 V lamp is

 800 Ω.
 200 Ω.
 400 Ω.
 1600 Ω.

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Electric Circuits
In parallel RLC circuit under resonance condition the value of current is

 Minimum
 Maximum
 Zero
None of these

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MORE MCQ ON Electric Circuits

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