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A uniform magnetic field B = 0.5 T exist...

A uniform magnetic field `B = 0.5 T` exists in a circular region of radius `R = 5m`. A loop of radius `R = 5 m ` encloses the magnetic field at `t = 0` and then pulled at uniform speed `v = 2m s^(-1)` In the plane of the paper. Find the induced emf `("in" V)` in the loop at time `t = 3 s`.

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