Current Attempt in Progress

An elastic conducting material is stretched into a circular loop of $15\mathrm{.}6$ cm radius. It is placed with its plane perpendicular to a uniform $1\mathrm{.}19$ T magnetic field. When released, the radius of the loop starts to shrink at an instantaneous rate of $111c\frac{m}{s}.$ What emf is induced in volts in the loop at that instant?

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