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Electric Circuits

Electric Circuits
The value of V in the circuit shown in the given figure is

  2 V.
 4 V.
  3 V.
 5 V.

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Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 130
 400
 250
 900

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

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Electric Circuits
The power dissipated in a pure capacitor is

 proportional to the value of capacitance.
 zero.
 both (B) and (C) above.
 proportional to applied voltage.

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

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

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Electric Circuits
Rms value is defined based on which of the following?

 Voltage
 Charge transfer
 Heating effect
 Current

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MORE MCQ ON Electric Circuits

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