Home
Class 12
PHYSICS
An electron with charge e revolves in a ...

An electron with charge e revolves in a circle of radius r. This constitutes a current equivalent to

A

evr

B

`2pi ev`

C

`(ev)/(2pir)`

D

`(2pi v)/(ev)`

Text Solution

Verified by Experts

The correct Answer is:
C
Electric current
`I=("charge")/("time period of revolution")=(e)/(T)=(ev)/(2pir)`
Promotional Banner

Similar Questions

Explore conceptually related problems

The electron in a hydrogen atom revolves in an orbit of radius 0.5 Å , constituting a conventional current of 1.1 mA. Calculate the magnetic induction at an axial point 100 Å from the nucleus of the atom.

An electron moves with a constant speed v along a circle of radius r.(a) find the equivalent current through a point on its path.(b) Find the magnetic moment of the circulating electron.(c ) Find the ratio of the magnetic moment to the angular momentum of the electron.

An electron of charge 'e' is revolving in a circular orbit of radius r around a nucleus with speed v. The equivalent current is

An electron of charge e , revolves round in an orbit of radius r with a uniform angular velocity omega . The magnetic dipole moment of the electron in the orbit is

When a charged particle of charge a revolves in a circular orbit of radius r with frequency n, then orbital current will be

If a charge q is moving in a circle of radius r with speed v, then the equivalent current will be :

The magnetic moment of an electron of charge e moving in a circular orbit of radius r with speed v is given by

Magnetic moment of an electron of charge e moving in a circular orbit of radius r with speed v is given by

An electron of charge e is moving in a circular orbit of radius r around a nucleus, at a frequency v. The magnetic moment associated with the orbital motion of the electron is