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15 May, 21:04

How can a permanent magnet be demagnetized?

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  1. 15 May, 21:17
    Yes, it is possible for a permanent magnet to lose its magnetism ... If you heat a magnet up a little bit, it will lose some of its magnetism, but on returning to room temperature [depending on how high it was heated, and on the shape of the magnet itself], full magnetism can be restored.
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