3let charge at some time t be q ....
applying kichoffs lawz
q/C - iR = e .......
q/C - dq/dtR = e
q-Ce/CR = dq/dt ...
t/RC = ln(q-Ce)
t/RC - 0 = ln(q-Ce/(Q-Ce))
et/RC(Q-Ce) + Ce
[e = emf , C = capacitance ]
a capacitor of capacitance C is given a charge Q. at T=0 it is connected to a ideal battery of emf E through a resistance R. find the charge on the capacitor after time t
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