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A 30-turn coil has a diameter of 14 cm.
The coil is placed in a spatially uniform
magnetic field of magnitude 0.5 T so that
the face of the coil and the magnetic field
are perpendicular. Find the magnitude of
the voltage induced in the coil if the
magnetic field is reduced to zero uniformly
in (a) 0.10 s, (b) 1.0 s, and (c) 60 s.

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