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Electric Circuits

Electric Circuits
In ideal system coefficient of coupling(k) is

 Both 2 and 3
 ∞
 1
 0

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.001 μF.
 0.01 μF.
 1 μF.
 0.1 μF.

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Electric Circuits
The resistance of 100 W, 200 V lamp is

 800 Ω.
 200 Ω.
 1600 Ω.
 400 Ω.

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Electric Circuits
For the circuit shown in the given figure the current I is given by

 1 A.
 3 A.
 2 A.
 4 A.

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Electric Circuits
The energy required to charge a 10 μF capacitor to 100 V is

 10 × 10-9 J.
 0.01 J.
 0.05 J.
 5 × 10-9 J.

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel C.
 Parallel L.
 Series L.
 Series C.

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MORE MCQ ON Electric Circuits

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