Two particles, each of mass m and charge...

Two particles, each of mass m and charge q, are attached to the two ends of a light rigid rod of length 2R. The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is:

`(q)/(2m)`

`(q)/(m)`

`(2q)/(m)`

`(q)/(pim)`

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