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

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 right. The self inductance of the loop is negligible. While the loop is entirely in the field, the cmf in the loop is zero. Upon entering the field, a counterclockwise current flows in the loop. When leaving the field the coil experiences a magnetic force to the left. When entering the field the coil experiences a magnetic force to the left.

Explanation / Answer

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