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Electric Circuits

Electric Circuits
Average power taken by the pure capacitor is

 Minimum
 Maximum
 Zero
 Any of the above

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Electric Circuits
A 3Ω resistor having 2A current will dissipate the power of

 12 W.
 4 W.
 8 W.
 2 W.

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Electric Circuits
In above question, determine the current if E = 100 V, R = 20Ω, R1 = 10 Ω and L = 2 H at 0.5 sec after short circuit.

 - 6.28.
 9.59.
 - 9.59.
 6.98.

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

 282.8 A.
 141.4 A.
 150 A.
 70.7 A.

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Electric Circuits
Two battery having unequal emf

 can be connected in series only.
 both a and d
 cannot be connected in series.
 cannot be connected in parallel.

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MORE MCQ ON Electric Circuits

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