A thin disc of radius R has charge Q distributed uniformly on its surface. The disc is rotated about one of its diametric axis with angular velocity `omega`. The magnetic moment of the arrangement is

Consider a nonconductiing disc of radius r and mass m which has a charge q distributed uniformly over it. The disk is rotated about its axis with an angluar speed omega .Magnetic moment of the disc is 1/Nqomegar^(2) .then find value of N .

A non-conducting thin disc of radius R charged uniformly over one side with surface density s rotates about its axis with an angular velocity omega . Find (a) the magnetic induction at the centre of the disc, (b) the magnetic moment of the disc.

A non-conducting thin disc of radius R charged uniformly over one side with surface density s rotates about its axis with an angular velocity omega . Find (a) the magnetic induction at the centre of the disc, (b) the magnetic moment of the disc.

A thin annular disc of outer radius R and R/2 inner radius has charge Q uniformly distributed over its surface. The disc rotates about its axis with a constant angular velocity omega . Choose the correct option(s):

A thin annular disc of outer radius R and R/2 inner radius has charge Q uniformly distributed over its surface. The disc rotates about its axis with a constant angular velocity omega . Choose the correct option(s):

A non-conducting thin disc of radius R charged uniformly over one side with surface density sigma , rotates about its axis with an angular velocity omega . Find (a) the magnetic field induction at the centre of the disc (b) the magnetic moment of the disc.

A disc of mass m has a charge Q distributed on its surface. It is rotating about an XX' with a angular velocity omega . The force acting on the disc is

A disc of mass m has a charge Q distributed on its surface. It is rotating about an XX' with a angular velocity omega . The force acting on the disc is