A solid cylinder of radius ๐‘… has total charge ๐‘„ distributed uniformly over its volume

A solid cylinder of radius ๐‘… has total charge ๐‘„ distributed uniformly over its volume

Q. A solid cylinder of radius ๐‘… has total charge ๐‘„ distributed uniformly over its volume. It is rotating about its axis with angular speed ๐œ”. The magnitude of the total magnetic moment of the cylinder is

Ans: Option (C)

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