Question

how magnet loss their megnetism​

Answer 1

Answer:

Magnets usually lose their magnetism when we :-

Heat them

Drop it from a great height

Hit it with a hard object like hammer

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Answer 2

Answer:

Elevated temperature: Magnetic materials lose magnetism as they heat, but they regain magnetism when cooled provided the maximum temperature is below their Curie temperature. Above the Curie temperature, a magnet permanently loses all or some of its magnetism