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A non-conducting rod AB of length l has ...

A non-conducting rod AB of length l has total charge Q . The rod is rotated about an axis passing through a point (l/3)` distance from one end and perpendicular to plane of rod with constant angular speed omega, the magnetic moment of rod is

A

`(Ql^2omega)/12`

B

`(Ql^2omega)/18`

C

`(Ql^2omega)/6`

D

`(Ql^2omega)/9`

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