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)`

A loop carrying current I has the shape of a regular polygon of n side

1.	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)`
Answer» Correct Answer - A

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