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Electric Circuits

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

 - 6 V.
 12 V.
 6 V.
 10 V.

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Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Zero
 Lagging
 Leading
 Unity

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  30 V.
  none of above.
 50 V.
  - 50 V.

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Electric Circuits
Instantaneous power in inductor is proportional to the

 product of the instantaneous current and rate of change of current.
 square of instantaneous current.
 temperature of the inductor.
 square of the rate of change of current.

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Electric Circuits
Kirchhoff’s voltage law is used for

 nodal analysis.
 finding equivalent resistance.
 representing a current source.
 loop analysis.

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Electric Circuits
The power dissipated in a pure capacitor is

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

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MORE MCQ ON Electric Circuits

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