Question

Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency f Hz. The magnitude of magnetic induction at the centre of the ring is(a) $\frac{\mu_{0}qf}{2R}$(b) $\frac{\mu_{0}q}{2fR}$(c) $\frac{\mu_{0}q}{2\pi fR}$(d) $\frac{\mu_{0}qf}{2\pi R}$

Answer 1

Hello Friend

The answer of u r question is

Option c

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Answer 2

HERE IS YOUR ANSWER :-

Option No. C

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