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A square loop of wire with a small resistance is moved with constant speed from

ID: 1363115 • Letter: A

Question

A square loop of wire with a small resistance is moved with constant speed from a field free region into a region of uniform B field (B is constant in time) and then back into a field free region to the left. The self inductance of the loop is negligible. Upon leaving the field, a counterclockwise current flows in the loop. Upon entering the field, a counterclockwise current flows in the loop. When leaving the field the coil experiences a magnetic force to the right. When entering the field the coil experiences a magnetic force to the right.

Explanation / Answer

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