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Electric Circuits

Electric Circuits
To reduce hysteresis loss, we use

 laminated sheets.
 copper bars.
 soft-iron.
 CRGO steel.

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Electric Circuits
What is the unit of potential difference ?

 Ampere
 Volt
 Ohm
 Watt

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Electric Circuits
A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be?

 Electrolytic capacitor.
 Paper capacitor.
 Any of above.
 Ceramic capacitor.

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Electric Circuits
What is meant by the rate of flow of an electric charge?

None of these
 Electric current.
 Electric potential.
 Electric resistance.

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Electric Circuits
Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be

 0.02 N
 160 N
 400 N
 100 N

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Electric Circuits
Time constant is the time taken for response to rise -------of maximum value?

 63.2%
 68.3%
 100%
 90%

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MORE MCQ ON Electric Circuits

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