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Question

Physics Question on Magnetic Field

ee^- revolving with speed V is producing magnetic field B at center. Find relation between radius of path, B & V?

A

BV1rB∝V∝\frac 1r

B

BV1r2B∝V∝\frac 1r^2

C

BV21rB∝V^2∝\frac 1r

D

BV21r2B∝V^2∝\frac 1r^2

Answer

BV1r2B∝V∝\frac 1r^2

Explanation

Solution

The correct option is (B): BV1r2B∝V∝\frac 1r^2.