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A capacitor of capacitance as C is given...

A capacitor of capacitance as C is given a charge Q. At `t=0`,it is connected to an ideal battery of emf `(epsilon)`through a resistance R. Find the charge on the capacitor at time t.

Text Solution

Verified by Experts

The capacitor is given a charge Q. It will
discharge and the capacitor will be
charged up when connected with battery
Net charge at time .
`t = Q e^(-t/RC) + q{ 1-e^(-t/RC)}`
` t= Q e^(-t/RC) + C epsilon { 1 - e^(-t/RC)}`.
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HC VERMA-ELECTRIC CURRENT IN CONDUCTORS-Exercises
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