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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc Req.
 Voc = Req /Isc.
 Isc = Voc / Req.
 Voc = Isc / Req.

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Electric Circuits
The frequency of EMF generated by a generator depends upon its

 nature of supply.
 both speed and number of poles.
 number of poles.
 speed.

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

  2 V.
  3 V.
 5 V.
 4 V.

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Electric Circuits
Which metal is deposited for electro forming?

  Nickel.
  Chromium.
  Iron.
  Silver.

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 40 Ω and 200 Ω.
 40 Ω and 40 Ω.
 50 Ω and 200 Ω.
 25 Ω and 5 Ω.

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 resistance.
 voltage.
 power.
 current.

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MORE MCQ ON Electric Circuits

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