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A charge 'e' moves round a circle of rad...

A charge `'e'` moves round a circle of radius `'r'` with a uniform speed `'v'`. The magnitude of the magnetic induction at the centre of the circle is

A

`mu_0 ev//4pi r`

B

`mu_0 ev// 4pi r^2`

C

`mu_0 ev// 4pi r^3`

D

`mu_0er// 4pi v`

Text Solution

Verified by Experts

The correct Answer is:
B
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