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Electric Circuits

Electric Circuits
What is Va in the below circuit?

 (6R + 10) / 3.
 (3R + 10) / 3.
 (4R + 10) / 3.
 (6R - 10) / 3.

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Electric Circuits
Capacitors for P.f correction are rated in

 KVA.
 KVAR.
 KV.
 KW.

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Electric Circuits
Select the wave that has the least value of form factor.

 Sine wave.
 Rectangular wave.
 Triangular wave.
 Square wave.

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Electric Circuits
A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor?

 60 V.
 20 V.
 30 V.
 50 V.

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Electric Circuits
A current is said to be alternating when it changes in

 magnitude.
 both ‘a’ and ‘b’.
 none of these.
 direction.

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 non linear.
 bilateral.
 unilateral.
 linear.

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MORE MCQ ON Electric Circuits

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