Questions
A ring of radius R, made of an insulating material, carries a charge Q uniformly distributed on it. If the ring rotates about the axis passing through its centre and normal to plane of the ring with constant angular speed , then the magnitude of the magnetic moment of the ring is
detailed solution
Correct option is B
M=iA =i × π R2, Also i = Qω2π⇒ M=12 QωR2Talk to our academic expert!
Similar Questions
A particle of charge q and mass m moves in a circular orbit of radius r with angular speed Ï. The ratio of the magnitude of its magnetic moment to that of its angular momentum depends on
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