asharmukhtar123 asharmukhtar123
  • 24-09-2020
  • Physics
contestada

why you demagnetize a permanent magnet by heating it ?

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alizemena5 alizemena5
  • 24-09-2020
If you heat a magnet past the temperature called the Curie point, the energy will free the magnetic dipoles from their ordered orientation. ... You can get the same effect by repeatedly hammering a magnet, applying pressure, or dropping it on a hard surface. ~ Heating a permanent magnet is in fact the best way to demagnetise it.
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