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Electric Circuits

Electric Circuits
Form factor is equal to Peak factor in case of

 saw tooth wave.
All of these
 triangle wave.
 square wave.

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 0.015 F.
 1.5 μF.
 15 μF.
 1.5 F.

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Electric Circuits
Energy efficiency during electroplating is usually in the range

 90 to 99%.
 80 to 85%.
 85 to 90%.
 50 to 80%.

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Electric Circuits
Which of the following ABCD parameters is unit less?

 A and C.
 B and C.
 A and B.
 A and D.

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Electric Circuits
The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be

 3 / 4 Ω.
 3 / 2 Ω.
 6 Ω.
 4 / 3 Ω.

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

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

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MORE MCQ ON Electric Circuits

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