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A coil ABD of N turns & radius R carries...

A coil `ABD` of `N` turns `&` radius `R` carries a current of `1 Amp` `&` is placed on a horizontal tabel.`K` is a very small horizontal conducting ring of radius `r` placed at a distance `Y_(0)` from the centre of the coil vertically above the coil `ACD`.Find an expression for the `EMF` established when the ring `K` is allowed to fall freely.Express the `EMF` in terms of instanteous speed `v &` height `Y`.

Text Solution

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The correct Answer is:
`(3)/(2)(mu_(0)piR^(2)r^(2)Niyv)/((R^(2)+y^(2))^(5//2))`
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