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A circular coil of n turns and radius r ...

A circular coil of n turns and radius r carries a current I. The magnetic field at the center is

A

`(mu_0nI)/(r)`

B

`(mu_0nI)/(2r)`

C

`(2mu_0nI)/(r)`

D

`(mu_0nI)/(4r)`

Text Solution

Verified by Experts

The correct Answer is:
B
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