JEE Mains Model Paper 3

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Question : 40 of 90

Marks: +1, -0

In an L-R circuit, the current at t = 0 is 10 A and after 5s, it becomes 9A. Choose wrongoption.

Time constant of the circuit is 5ln( 1.1)
Time constant of the circuit is
5
ln(1.1)
At t = 10s, i = 8.IA
at t = 15s, i = 2.43A

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