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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 either parallel or series.
None of these
 series.
 parallel.

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Electric Circuits
Electrics supply for electroplating should be

 low AC voltage.
 any of above.
 low frequency ac voltage.
 DC voltage.

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Electric Circuits
In a lead acid cell PbSO4 formed during

  neither during charging nor discharging.
  charging only.
  discharging only.
  both during charging as well as discharging.

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Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 1.
 0.866.
 0.577.
 0.5.

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Electric Circuits
In the circuit shown in the figure the voltage across the 2 Ω resistor is

 4 V.
 3 V.
 1 V.
 2 V.

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MORE MCQ ON Electric Circuits

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