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An inductor of inductance 10 mH and a re...

An inductor of inductance 10 mH and a resistance of 5 is connected to a battery of 20 V at t = 0. Find the ratio of current in circuit at t =  to current at t = 40 sec

A

`1.06`

B

`1.15`

C

`1.48`

D

`0.84`

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The correct Answer is:
A

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