First slide
Inductance
Question

Figure shows a circuit that contains three identical resistors with resistance R = 9.0 Ω each, two identical inductors with inductance L = 2.0 mH each, and an ideal battery with emf ε = 18 V The current 'i' through the battery just after the
switch closed is :

Moderate
Solution

At t = 0, inductor behaves as open circuit so, i = εR=2A

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