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A conducting ring of radius r and resist...

A conducting ring of radius r and resistance R is placed in region of uniform time varying magnetic field B which is perpendicular to the plane of the ring. It the magnetic field is changing at a rate `alpha`, then the current induced in the ring is

A

`(pir^2 alpha)/(2R)`

B

`(2pi r alpha)/(R)`

C

`(pi r alpha)/(R)`

D

`(pir^(2) alpha)/R`

Text Solution

Verified by Experts

The correct Answer is:
D
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