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Electric Circuits

Electric Circuits
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 0.
 V / {R + (sL + 1 / Cs)}.
 V/R.
 (V*L) / (R*C)

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Electric Circuits
Which of following is the unit of magnetic flux density?

 Daraf.
 Weber.
 Lumens.
 Tesla.

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Electric Circuits
What is the reactive power in AC operation?

 Apparent power × cosθ.
 Real power × sinθ.
 Real power × cosθ.
 Apparent power × sinθ.

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Electric Circuits
What is mean by flow of electrons?

 Insulator.
 Semiconductor.
 Voltage.
 Electric current.

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 70.7 A.
 282.8 A.
 141.4 A.
 150 A.

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Electric Circuits
Which of the following can not be connected in series unless they are identical?

 Current source.
 Voltage source.
 Both of above.
 Resistance.

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MORE MCQ ON Electric Circuits

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