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For a series RLC circuit excited by a unit step voltage, Vc is __________(a) 1 – e^-t/RC(b) e^-t/RC(c) e^t/RC(d) 1The question was asked in my homework.Question is taken from Advanced Problems Involving Complex Circuit Diagram in chapter Network Theory and Complex Circuit Diagram of Network Theory

Answer»

The CORRECT CHOICE is (a) 1 – e^-t/RC

Best EXPLANATION: At t = 0, VC = 0 and at t = ∞, Vc = 1.

This condition can be satisfied only by (1 – e^-t/RC).



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