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Electric Circuits

Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 45°
 90°
 - 90°
 0°

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

 Lagging
 Zero
 Leading
 Unity

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Electric Circuits
Unit of apparent power is

 VA.
 VAR.
 KWhr.
 Watts.

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

 Charge
 Force
 Current
 Power

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Electric Circuits
Dependent source of current and voltage are those which have

 unidirectional characteristic.
 independent of any other network variable.
All of these
 output dependent on input.

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Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z11 = Z22.
 Z12 = Z22.
 Z11 = Z12.
 Z12 = Z21.

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