What maintains the strength of the permanent magnet as it becomes magnetized by induction to form a closed loop?

Name: What maintains the strength of the permanent magnet as it becomes magnetized by induction to form a closed loop?
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Question

Quizplus · Accepted Answer

A keeper is a piece of soft iron that is placed across the poles of a permanent magnet to help maintain its strength by completing a magnetic circuit, thus reducing the loss of magnetization.

What Maintains the Strength of the Permanent Magnet as It