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Magnetism of a bar magnet - maximum rate of change?

  1. May 1, 2013 #1
    Magnetism of a bar magnet -- maximum rate of change?

    If a bar magnet is placed along the x-axis with (0,0) at its center, along which axis does the magnetic field fall off faster and why?
     
  2. jcsd
  3. May 1, 2013 #2

    berkeman

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    Staff: Mentor

    Welcome to the PF.

    We require that you show some effort in answering your question before we can be of tutorial help. What are your thoughts on this question?

    http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/imgmag/bar.gif
    bar.gif
     
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