Science, asked by acharyaavinandita, 1 month ago

which magnet has one keeper? ​

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Answered by Anonymous
17

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A magnet keeper, also known historically as an armature, is a bar made from magnetically soft iron or steel, which is placed across the poles of a permanent magnet to help preserve the strength of the magnet by completing the magnetic circuit; it is important for magnets that have low magnetic coercivity.

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