Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A thin ring of 
radius carries a uniformly distributed charge. The ring rotates at a constant angular speed of 
about its axis, perpendicular to its plane. If the magnetic field at its centre is 
, then the charge carried by the ring is close to 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
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