An insulating rod of length l carries a ...

An insulating rod of length l carries a charge q distributed uniformly on it.The rod is pivoted at its mid point and is rotated at a frequency f about a fixed axis perpendicular to the rod and passing through the pivot.the magnetic moment of the rod system is

`(1/12)piqfl^2`

`piqfl^2`

`(1/6)piqfl^2`

`(1/3)piqfl^2`

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