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Homework Help: A ferromagnetic material

  1. Nov 28, 2007 #1
    once a ferromagnetic material is magnetized, does it ever go back to it's original "randome magnetic moment" state?
     
  2. jcsd
  3. Nov 28, 2007 #2
    as in, does when iron becomes magnetized, does it stay magnetized forever?
     
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