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Electric Circuits

Electric Circuits
Ceq of two capacitors connected in series is given by

 C1C2.
 C1 + C2.
 C1 C2 / (C1 + C2).
 C1 = C2.

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Electric Circuits
What is apparent power in AC operation?

 Product of voltage and current at full load.
 Product of rms voltage and rms current.
 Product of voltage and current.
 Product of voltage and current at no load.

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Electric Circuits
For occurrence of resonance which of the following elements are required?

 C
 Both 2 and 3
 R
 L

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 1 A.
 2 A.
 3 A.
 4 A.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in forward direction.
 107.14 rpm in forward direction.
 5250 rpm in reverse direction.
 107.14 rpm in reverse direction.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Electrolytic capacitor.
 Glass capacitor.
 Mica capacitor.
 Air capacitor.

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MORE MCQ ON Electric Circuits

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