A square-shaped copper coil has edges of length \( 50 \mathrm{~cm} \) and contains 50 turns. It ...

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A square-shaped copper coil has edges of length \( 50 \mathrm{~cm} \) and contains 50 turns. It is placed perpendicular to a \( 1.0 \mathrm{~T} \) magnetic field. It is removed from the magnetic field in \( 0.25 \mathrm{~s} \) and restored in its original place in the next \( 0.25 \mathrm{~s} \). Find the magnitude of the average emf induced in the loop during (a) its removal, (b) its restoration and (c) its motion.
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