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Electric Circuits

Electric Circuits
Kirchhoff's second law is based on law of conservation of

 momentum.
 mass.
 charge.
 energy.

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Electric Circuits
A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor?

 20 V.
 30 V.
 60 V.
 50 V.

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Electric Circuits
Active filter consists of

 capacitor.
 op-amp and capacitor.
 op-amp.
 inductor.

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Electric Circuits
An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation

 ic = id.
 ic > id.
 ic + id = 0.
 ic < id.

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Electric Circuits
Which of the following may be value of resistivity of copper?

 1.7 X 10 - 4.
 1.7 X 10 - 6.
 1.7 X 10 - 3.
 1.7 X 10 - 5.

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Electric Circuits
KVL works on the principle of

 law of conservation of energy.
 both.
 law of conservation of charge.
None of these

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MORE MCQ ON Electric Circuits

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