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Radhika Batra Grade: 11
        The electric current in a charging R-C circuit is given by i = i0 e-t/RC where i0, R and  C are constant parameters of current at (a) t = 0, (b) t = RC, (c) t = 10 RC.
3 years ago

Answers : (1)

Kevin Nash
askIITians Faculty
332 Points
										Sol. Given that, i = i0e-t/RC

∴ Rate of change of current = di/dt = d/dt i0e-i/RC = i0 d/dt e-t\RC = -i_0/RC x e-t/RC

When (a) t = 0, di/dt = (-i)/RC
(b) when t = RC, di/dt = (-i)/RCe
(c) when t = 10 RC, di/dt = 〖-i〗_0/〖RCe〗^10
3 years ago
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