There are rare earth magnets that will lose there magnetisation if separated from their magnet keeper.
2.
A magnet keeper is a specialised pole piece used to temporarily connect the poles of a permanent magnet, to help to preserve the magnetism, and for safety in the case of large and powerful magnets.
3.
This question comes up often here on WP : RD / S . Our keeper page says " A magnet keeper is ferromagnetic bar placed across the poles of a permanent magnet that helps preserve the strength of the magnet by completing the magnetic circuit . " I'll move that to a new magnet keeper page so people can more easily find it . . . now y'all feel free to add more actual content to that stub.
4.
This question comes up often here on WP : RD / S . Our keeper page says " A magnet keeper is ferromagnetic bar placed across the poles of a permanent magnet that helps preserve the strength of the magnet by completing the magnetic circuit . " I'll move that to a new magnet keeper page so people can more easily find it . . . now y'all feel free to add more actual content to that stub.
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