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Electric Circuits

Electric Circuits
Capacitor does not allow the sudden change of

 current
 power
None of these
 voltage

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Electric Circuits
For Norton’s equivalent circuit

 Voc = Isc / Req.
 Isc = Voc / Req.
 Voc = Req /Isc.
 Isc = Voc Req.

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Electric Circuits
The power dissipated in a pure capacitor is

 proportional to the value of capacitance.
 both (B) and (C) above.
 proportional to applied voltage.
 zero.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 0.
 εr/F.
 F εr.
 F.

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Electric Circuits
In the given figure, the Thevenins equivalent voltage and impedance as seen from the terminals P - Q is given by

 4 V and 7.5 Ω.
 2 V and 5 Ω.
 4 V and 5 Ω.
 2 V and 7.5 Ω.

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Electric Circuits
Consider the following circuit. What is the value of i ?

  5 A.
 6 A.
 - 5 A.
 12 A.

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MORE MCQ ON Electric Circuits

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