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Q1:

In the following circuit, the switch S is closed at t = 0 The rate of change of current (0 +) is given by

A 0

B

C

D ∞

ANS:B -

At t = 0, inductor acts like a open circuit. We know at t = 0+, inductor path is open circuit V = Is.Rs (at t = 0+) Thus



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