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Electric Circuits

Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Ceramic.
 Mica.
 Paper.
 Electrolytic.

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 run time.
 rise time.
 decay time.
 fall time.

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Electric Circuits
A 10 Ohm resistor has power rating of 1W. Find the maximum current rating.

 0.316 A.
 1 A.
 0.1 A.
 0.01 A.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in forward direction.
 107.14 rpm in forward direction.
 5250 rpm in reverse direction.
 107.14 rpm in reverse direction.

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Electric Circuits
Active element of electrical circuit is

 both of them.
 current source.
 voltage source.
 none of above.

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Electric Circuits
The charge of an electron is

 - 1.672 × 10 - 27 Coulombs.
 - 9.109 × 10 - 31 Coulombs.
 - 1.675 × 10 - 27 Coulombs.
 - 1.602 × 10 - 19 Coulombs.

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