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Electric Circuits

Electric Circuits
Average power taken by the pure capacitor is

 Minimum
 Maximum
 Any of the above
 Zero

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 16C Farad.
 4C Farad.
 2C Farad.
 C Farad.

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Electric Circuits
What is apparent power in AC operation?

 Product of voltage and current.
 Product of rms voltage and rms current.
 Product of voltage and current at full load.
 Product of voltage and current at no load.

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Electric Circuits
Which law(s) find application in electrolysis?

 Coulombs law.
 Ohms law.
 Gausss law.
 Faradays law.

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Electric Circuits
The mass of a neutron of atom is

 1.672 × 10 - 26 Kg.
 1.675 × 10 - 27 Kg.
 1.602 × 10 - 19 Kg.
 1.609 × 10 - 31 Kg.

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Electric Circuits
A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is

 1236 W.
 618 W.
 411.3 W.
 none of these.

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MORE MCQ ON Electric Circuits

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