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Potential difference that is applied act...

Potential difference that is applied actions a conductor of resistance 'R' varies with time 't' according to the equation `V(t)=V_(0)e^(-t/z)` where z is a constant that has dimensions of time. Obviously,the applied potential difference decreases exponentially with time.Charge that passes through any fixed observation point within the conductor between t=0 and t=z will be

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