Q.

Figure shows a circuit that contains four identical resistors with resistances each R=2.0Ω, two identical inductors with inductance L=2.0mH and an ideal battery with emf E=9V. The current ‘i’ just after the switch ‘s’ is closed will be___A.

(Round off to nearest integer)

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answer is 2.

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Detailed Solution

When switch 's’ is closed inductor offer infinite resistance 

Req=R+R=2R=4Ω

I=ER=94=2.25A=2A

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