Home
Class 12
PHYSICS
An insulating rod of length l carries a ...

An insulating rod of length `l` carries a charge `q` uniformly distributed on it. the rod is pivoted at one of its end and is rotated at a frequency `f` about a fixed perpendicular axis. The magnetic moment of the rod is

A

`(q omega l²)/3`

B

`(q omega l²)/6`

C

`(q omega l²)/12`

D

`(q omega l²)/24`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

An insulating rod of length I carries a charge q distrubuted uniformly on it. The rod is pivoted at its mid-point and is rotated at a frequency f about a fixed axis perpendicular to the the rod and passing through the pivot . The magnetic moment of the rod system is

An insulating rod of length I carries a charge q distrubuted uniformly on it. The rod is pivoted at its mid-point and is rotated at a frequency f about a fixed axis perpendicular to the the rod and passing through the pivot . The magnetic moment of the rod system is

A uniform rod of mass M and length L carrying a charge q uniformly distributed over its length is rotated with constant velocity w about its mid point perpendicular to the rod. Its magnetic moment is

A uniform thin rod of length l is suspended from one of its ends and is rotated at f rotations per second. The rotational kinetic energy of the rod will be

A thin rigid insulated rod of mass m and length l carrying a charge Q unformly distrivuted along its length is smoothly pivoted at P. It is palced in between the charged large conducting plates. Disregard gravity. (a) Find the initial accelaeration of the rod. (b) Find the angular speed of the rod as the function of angel theta of rotation omega=f(theta) , if the rod is allowed to rotate freely .

A rod of length l and total charge 'q' which is uniformly distributed is rotating with angular velocity omega about an axis passing through the centre of rod and perpendicular to rod. Find the magnitude of magnetic dipole moment (in Amp. m^(2) ) of rod. If q=4C, omega=3rad//s and l=2m

A rod has a total charge Q uniformly distributed along its length L. If the rod rotates with angular velocity omega about its end, compute its magnetic moment.

A rod has a total charge Q uniformly distributed along its length L. If the rod rotates with angular velocity omega about its end, compute its magnetic moment.

An insulting thin rod of length l has a linear charge density rho(x)=rho_(0)(x)/(l) on it. The rod is rotated about an axis passing through the origin (x=0) and perpendicular to the rod. If the rod makes n rotations per second, then the time averaged magnetic moment of the rod is :

Charge Q is uniformly distributed on a dielectric rod AB of length 2l . The potential at P shown in the figure is equal to