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Homework Help: Physics Theory Help

  1. Apr 25, 2009 #1
    Explain, using the domain theory, why a strong external magnetic field can reverse the magnetism in a bar magnet.

    If anyone can provide me a source for this question or would like to answer it, it would be much appreciated.
  2. jcsd
  3. Apr 25, 2009 #2


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    Hi WarFace, welcome to PF. One online reference is the Wikipedia article http://en.wikipedia.org/wiki/Magnetic_domains" [Broken]. Have you read it?
    Last edited by a moderator: May 4, 2017
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