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Electric Circuits

Electric Circuits
Which of the following is not a bilateral element?

 Resistor.
 Capacitor.
 Diode.
 Inductor.

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Air gap.
 Inductance.
 Core.
 Coil.

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Electric Circuits
Select the wave that has the least value of form factor.

 Square wave.
 Rectangular wave.
 Triangular wave.
 Sine wave.

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 R Ω
 2R Ω
 4R Ω
 8R Ω

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 5 µF
 40 µF
 10 µF
 160 µF

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

 Straight line
 Triangle
 Circle
 Semicircle

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MORE MCQ ON Electric Circuits

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