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Calculating Magnetic field dimensions

  1. Sep 16, 2010 #1
    simple question which probably has a complex answer, if given the dimensions and composition or a permanent magnet ie if the magnet is a cube 10mm x 10mm N35 Neodymium where would one find the equation to calculate the range at which the magnet extended
     
  2. jcsd
  3. Sep 16, 2010 #2
    Here is an online field calculator for both round and rectangular magnets.
    http://www.arnoldmagnetics.com/Content1.aspx?id=4621 [Broken]

    There are others on the web. I don't know of where to find the equations.

    Bob S
     
    Last edited by a moderator: May 4, 2017
  4. Sep 22, 2010 #3
    works perfectly for my purposes thanks alot
     
  5. Oct 14, 2010 #4
    Just a freebie, since you mentioned my employer. Arnold also has an app for that. If you're on an iPhone, you can go to the App Store and get a free iPhone app that does that, too.
     
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