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A ring rotates with angular velocity ome...

A ring rotates with angular velocity `omega` about an axis perpendicular to the plane of the ring passing through the center of the ring.A constant magnetic field `B` exists parallel to the axis.Find the `emf` induced in the ring.

Text Solution

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Flux passing through the ring `phi=B.A` is a constant here, therefore emf induced in the coil is zero. Every point of this ring at the same potential, by symmetry.
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