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Electric Circuits

Electric Circuits
Discrete values represent which type of signal

 Analog
 Decimal
 Discretal
 Digital

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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

 10 N.
 100 N.
 10000 N.
 1000 N.

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Semicircle
 Triangle
 Straight line
 Circle

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Electric Circuits
Lowest current density is generally recommended for plating of

 cadmium.
 bronze.
 silver.
 chromium.

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Electric Circuits
A current is said to be alternating when it changes in

 both ‘a’ and ‘b’.
 direction.
 none of these.
 magnitude.

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Electric Circuits
What is the reactive power in AC operation?

 Real power × cosθ.
 Apparent power × cosθ.
 Real power × sinθ.
 Apparent power × sinθ.

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MORE MCQ ON Electric Circuits

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