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A current I flows through a thin wire sh...

A current `I` flows through a thin wire shaped as regular polygon of `n` sides which can be inscribed in a circle of radius `R`. The magnetic field induction at the center of polygon due to one side of the polygon is

A

`(mu_0I)/(pi R) (tan pi/n)`

B

`(mu_0I)/(4pi R) (tan pi/n)`

C

`(mu_0I)/(2pi R) (tan pi/n)`

D

`(mu_0I)/(2pi R) (cos pi/n)`

Text Solution

Verified by Experts

The correct Answer is:
C
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