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Electric Circuits

Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 0o.
 90o.
 45o.
 30o.

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Electric Circuits
In the figure, the potential difference between points P and Q is

 12 V.
 10 V.
 - 6 V.
 6 V.

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Electric Circuits
If P is the power of a star connected system then what will be power of an equivalent delta connected system?

 P
 P/3
None of these
 3P

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 run time.
 fall time.
 decay time.
 rise time.

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Electric Circuits
The capacitance of a parallel plate capacitor can be varied by

 changing the dielectric medium only.
 changing the overlapping area of the plates only.
All of these
 changing the distance between the plates only.

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Electric Circuits
In RLC parallel circuit circuit current through inductor is more than current through capacitor. Then what is the power factor of the circuit?

 leading
 unity
 zero
 lagging

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MORE MCQ ON Electric Circuits

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