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A wire of length l, carrying current i, ...

A wire of length l, carrying current i, is bent in circle of radius r, then magnetic momennt at centre of loop is

A

`(l^(2)i)/(2pi)`

B

`(l^(2)i)/(4pi)`

C

`(li^(2))/(2pi)`

D

`(li)/(4pi)`

Text Solution

Verified by Experts

The correct Answer is:
B
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