An infinitely long conductor is bent int...

An infinitely long conductor is bent into a circle as shown in figure. It carries a current I ampere and the radius of loop is R metre. The magnetic induction at the centre of loop is

A

`(mu_(0))/(4pi)(2i)/(r)(pi+1)`

B

`(mu_(0))/(4pi)(2i)/(r)(pi-1)`

C

zero

D

Infinite

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The correct Answer is:

B

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