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The magnetic induction at the center of ...

The magnetic induction at the center of a circular coil carrying current is

A

`(mu I ) / (2r)`

B

`(mu I)/(2 pi r ) `

C

`(mu I)/(2 n r) `

D

`(mu I)/(2 n r^(2)) `

Text Solution

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The correct Answer is:
a
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