Question

An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to

(a) √B/v  

(b) B/v

(c) √v/B

(d) v/B  

Answer 1

Correct option  (c) √v/B

Explanation:

The magnetic field produce by moving electron in circular path