Charge is uniformly spread on a thin ring of radius . The…

Physics Moving Charge and Magnetism NEET Previous Year Question MCQ (Single Correct)

Charge is uniformly spread on a thin ring of radius . The ring rotates about its axis with a uniform frequency Hz. The magnitude of magnetic induction at the center of the ring is

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The correct answer is:

The current flowing in the ring is

(i)

The magnetic induction at the centre of the ring iS

(Using(i))

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