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A coil of inductance 300mh and resistanc...

A coil of inductance `300mh` and resistance `2Omega` is connected to a source of voltage `2V`. The current reaches half of its steady state value in

A

`0.05 s`

B

`0.1 s`

C

`0.15 s`

D

`0.03 s`

Text Solution

Verified by Experts

The correct Answer is:
B
`i = i_(0)[1-e^(-(R )/(L)t)]`
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