(e^-) revolving with speed V is producing magnetic field B a... | Physics | SolveeIt | Solveeit

Today, August 18

Question

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

A

$B∝V∝\frac 1r$

B

$B∝V∝\frac 1r^2$

C

$B∝V^2∝\frac 1r$

D

$B∝V^2∝\frac 1r^2$

Answer

$B∝V∝\frac 1r^2$

Explanation

Solution

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