Two particles, each of mass m and charge q, are attached to the two ends of a light rigid…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
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/πm
Answer
(A) q/2m
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