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Electric Circuits

Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 45o.
 30o.
 90o.
 0o.

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 282.8 A.
 150 A.
 141.4 A.
 70.7 A.

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Electric Circuits
Which resistor will be physically larger in size?

 100 Ω, 10 W.
 1 M Ω, 1/2 W.
 1 k Ω, 1 W.
 10 Ω, 50 W.

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

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

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10000 N.
 100 N.
 10 N.
 1000 N.

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Electric Circuits
Coating generally recommended for hard surfacing is

None of these
 lead plating.
 chromium plating.
 copper plating.

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MORE MCQ ON Electric Circuits

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