Home
Class 12
PHYSICS
A charge Q is uniformly distributed over...

A charge `Q` is uniformly distributed over the surface of non - conducting disc of radius `R`. The disc rotates about an axis perpendicular to its plane and passing through its centre with an angular to its plane and passing through its centre of the disc. If we keep both the amount of charge placed on the disc and its angular velocity to be constant and vary the radius of the disc then the variation of the magnetic induction at the centre of the disc will br represented by the figure:

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Similar Questions

Explore conceptually related problems

Radius of gyration of disc rotating about an axis perpendicular to its plane passing through through its centre is (If R is the radius of disc)

A charge q is uniformly distributed on a non-conducting disc of radius R . It is rotated with an angular speed co about an axis passing through the centre of mass of the disc and perpendicular to its plane. Find the magnetic moment of the disc.

Find the moment of inertia of a uniform half-disc about an axis perpendicular to the plane and passing through its centre of mass. Mass of this disc is M and radius is R.

Circular disc of mass 2 kg and radius 1 m is rotating about an axis perpendicular to its plane and passing through its centre of mass with a rotational kinetic energy of 8 J. The angular momentum is (Js) is

The moment of inertia of a copper disc, rotating about an axis passing through its centre and perpendicular to its plane

M.I. of a thin uniform circular disc about one of the diameters is I. Its M.I. about an axis perpendicular to the plane of disc and passing through its centre is

A non conducting disc of radius R , charge q is rotating about an axis passing through its centre and perpendicular to its plane with an angular velocity omega charge q is uniformly distributed over its surface. The magnetic moment of the disc is

Radius of gyration of a uniform circular disc about an axis passing through its centre of gravity and perpendicular to its plane is