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Electric Circuits

Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Straight line
 Circle
 Triangle
 Semicircle

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Electric Circuits
Consider the following circuit. In this circuit, when Vs = 3 V, I = 4 A, what is the value of I when Vs = 12 V?

 20 A.
 10 A.
 7 A.
 15 A.

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Electric Circuits
Our household apparatus are connected in

 series and parallel combination.
 parallel.
 cascade.
 series.

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Electric Circuits
Which metal is deposited for electro forming?

  Nickel.
  Iron.
  Chromium.
  Silver.

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

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

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Electric Circuits
Which of the following defined the average value ?

 Charge transfer
 Voltage
 Current
 Heating effect

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MORE MCQ ON Electric Circuits

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