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A closely wound coil of 100 turns and ar...

A closely wound coil of `100` turns and area of cross-section `1cm^(2)` has a coefficient of self-induction `1 mH`. The magnetic induction in the centre of the core of the coil when a current of `2A` flows in it, will be

A

`0.022 Wbm^(-2)`

B

`0.4 Wbm^(-2)`

C

`0.8 Wbm^(-2)`

D

`1Wbm^(-2)`

Text Solution

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The correct Answer is:
A
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