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Electric Circuits

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

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

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Electric Circuits
A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it?

 2.5 × 102 joules.
 6 × 102 joules.
 3 × 102 joules.
 4 × 102 joules.

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Electric Circuits
A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of

 each of them decreases.
 copper increases and germanium decreases.
 copper decreases and germanium increases.
 each of them increases.

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Electric Circuits
During charging, the electrolyte of a lead acid battery becomes

 there is no change in electrolyte.
 diluted with water.
 stronger.
 weaker.

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Electric Circuits
Which of the following defined the average value ?

 Current
 Charge transfer
 Heating effect
 Voltage

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Electric Circuits
The inductive reactance of an electric circuit is 200 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance?

 100 Ohms.
 50 Ohms.
 200 Ohms.
 400 Ohms.

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MORE MCQ ON Electric Circuits

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