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A loop carrying current I has the shape ...

A loop carrying current I has the shape of a regular polygon of n sides. If R is the distance from the centre to any vertex, then the magnitude of the magnetic induction vector `vec(B)` at the centre of the loop is –

A

`n(mu_(0)I)/(2pi R)tan.(pi)/(n)`

B

`(mu_(0)I)/(2R)`

C

`n(mu_(0)I)/(2pi R)tan.(2pi)/(n)`

D

`(mu_(0)I)/(pi R)tan.(pi)/(n)`

Text Solution

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The correct Answer is:
A
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