Question

an electron revolves around the nucleus with a speed of 120 RPM in an orbit of radius find the magnetic field at the centre​

Answer 1

Answer:

Current in the circular orbit: i=

2πr

qv

Magnetic field at the center of a circular coil is

B=

2r

μ

0

i

=

2r

4π×10

−7

2πr

qv

=10

−7

×

r

2

qv

=10

−7

2

2

×10

−20

1.6×10

−19

×3×10

6

=1.2T

Explanation:

hope this helps