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The maximum current in the inductor IL(t)=Io(1 – e^-t/α) is __________(a) Io e^-t/α(b) Io(c) 2Io(d) -IoThis question was posed to me in an interview for job.Question is taken from Dynamic Braking of DC Shunt Motors in portion Braking of DC Motors & Induction Motors of Electric Drives

Answer» CORRECT option is (b) IO

To EXPLAIN: The IL(t)=Io(1 – e^-t/α)is Io is the transient equation of the inductor current. At the steady state (t=∞) IL(t)=Io(1- e-∞) is Io. The maximum current in the inductor is Io.


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