A charge Q is spread uniformly over an i...

A charge `Q` is spread uniformly over an insulated ring of radius `R`.What is the magnetic moment of the ring if it is rotated with an angluar velocity `omega` about its axis?

`(qomegaR^(2))/(2)`

`(qomegaR)/(2)`

`qomegaR^(2)`

`(qomega)/(2R)`

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