VITEEE 2012 Paper

Section: Physics

Question : 38 of 120

Marks: +1, -0

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

µ0qf
2R
µ0q
2fR
µ0q
2πfR
µ0qf
2πR

Validate

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