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A non conducting disc of radius R, charg...

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

A

`(1)/(4) q omegaR^(2)`

B

`(1)/(2)qomegaR`

C

`q omegaR`

D

`(1)/(2)q omegaR^(2)`

Text Solution

Verified by Experts

The correct Answer is:
1
`M=(Iomega)(q)/(2m)`
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