An insulating thin rod of length 
has a linear charge density 
on it. The rod is rotated about an axis passing through the origin 
and perpendicular to the rod. If the rod makes n rotations per second, then the time averaged magnetic moment of the rod is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
JEE Main 2019
Magnetic moment, 
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