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Electric Circuits

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

 Unity
 Lagging
 Leading
 Zero

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Electric Circuits
The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is

 0.5 A.
 0.318 A.
 1 A.
 0.637 A.

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Electric Circuits
If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ?

  1 V.
 0.01 V.
 0.1 V .
 None of these.

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Electric Circuits
Inductor does not allow the sudden change of

None of these
 current
 power
 voltage

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 76.66.
 66.66.
 36.36.
 40.25.

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Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 2 W.
 - 2 W.
 4 W.
 - 4 W.

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MORE MCQ ON Electric Circuits

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