An electron charge (e) is revolving in a circular orbit of ___

An electron charge (e) is revolving in a circular orbit of radius r round a nucleus of charge Ze with speed y.

The equivalent current is

A. Zero
B. ev/2πr
C. Zev/2πr
D. e.2πr/v

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.