Home
Class 12
PHYSICS
A non - conducting charged ring of charg...

A non - conducting charged ring of charge q , mass m and radius r is rotated with constant angular speed `omega` . Find the ratio of its magnetic moment with angular momentum is

A

`q/m`

B

`(2q)/m`

C

`q/(2m)`

D

`q/(4m)`

Text Solution

Verified by Experts

The correct Answer is:
(c ) `q/(2m)`
Promotional Banner

Similar Questions

Explore conceptually related problems

Consider a non conducting plate of radius a and mass m which has a charge q distributed uniformly over it, The plate is rotated about its own axis with a angular speed omega . Show that the magnetic moment M and the angular momentum L of the plate are related as (M)/(L)=(q)/(2m) .

A uniform circular disc of mass 200 g and radius 4.0 cm is rotated about one of its diameter at an angular speed of 10 rad/s. Find the kinetic energy of the disc and its angular momentum about the axis of rotation.

A thin circular ring of mass M and radius r is rotating about its axis with an angular speed omega . Two particles having mass m each are now attached at diametrically opposite points. The angular speed of the ring will become

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.

consider a nonconducting ring of radius r and mass m which has a total charge q distributed uniformly on it the ring is rotated about its axis with an angular speed omega . (a) Find the equivalent electric current in the ring (b) find the magnetic moment mu of the . (c) show that mu=(q)/(2m) where l is the angular momentum of the ring about its axis of rotation.

A conducting circular loop of radius r is rotated about its diameter at a constant angular velocity omega in a magnetic field B perpendicular to the axis of rotation. In what position of the loop is the induced emf zero?

Two particles of mass m each are attached to a light rod of length d, one at its centre and the other at a free end, The rod is fixed at the other end and is rotated in a plane at an angular speed omega . Calculate the angular momentum of the particle at the end with respect to the particle at the centre