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A parallel plate capacitor of capacitance 20μF is being charged by a voltage source whose potential is changing at the rate of 3 V/s. The conduction current through the connecting wires, and the displacement current through the plates of the capacitor, would be, respectively

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a
zero, zero
b
zero, 60μA
c
60μA,60μA
d
60μA, zero

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detailed solution

Correct option is C

Here, C=20μF  Therateofchangeofpotential =3 V/s  Thechargeonthecapacitor, Q=CV ∴ dQdt=ID=CdVdt=20μF×3 V s=60μA  Displacementcurrentisequaltotheconductioncurrent.

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