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A coil is connected to a battery of 12 V...

A coil is connected to a battery of `12 V` emf and negligible resistance. The current in the solenoid grows to `63%` of its final steady state value in `0.3 s`. If the final steady state current is `0.6A`, the inductance of the solenoid is

A

`0.6H`

B

`6.0H`

C

`0.015 H`

D

`0.15 H`

Text Solution

Verified by Experts

The correct Answer is:
B
`tau = (L)/(R ) = (L i)/(V)`
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