An electron moves in a circular orbit of radius with frequency

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

An electron moves in a circular orbit of radius

r

with frequency

f

. The magnetic field at the centre of the orbit is (1)

\frac{\mu_0ef}{2\pi R}

(2)

\frac{\mu_0ef}{2R}

(3)

\frac{\mu_0ef^2}{2R}

(4) zero