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Electric Circuits

Electric Circuits
The rms value of sinusoidal voltage wave V = 200sinω0t

 200√2 V.
 100 V.
 100√2 V.
 200 V.

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Electric Circuits
During electroplating the weight of substance deposited depends on

 shape of article.
 room temperature.
 quantity of electricity.
 atmospheric humidity.

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Electric Circuits
One ampere hour charge is equivalent to

 3600 coulombs.
 36 coulombs.
 360 coulombs.
 36000 coulombs.

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Electric Circuits
A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance?

 32 pF.
 30 pF.
 36.6 pF.
 None of them.

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Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
The indication of the state of charge of a battery is best given by

 specific gravity of electrolyte.
 level of electrolyte.
 temperature of electrolyte.
 colour of electrolyte.

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MORE MCQ ON Electric Circuits

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