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An emf of 15 V is applied in a circuit c...

An emf of `15 V` is applied in a circuit containing `5 H` inductance and `10 Omega` resistance. The ratio of the currents at time `t = oo` and `t = 1 s` is

A

`(e^(2))/(e^(2)-1)`

B

`1-e^(-1)`

C

`e^(-1)`

D

none of these

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The correct Answer is:
A
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