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Homework Help: Magnetic field lines

  1. Jan 29, 2006 #1
    Magnetic Field Lines Question

    http://img101.imageshack.us/img101/9819/coil2sm.jpg [Broken]

    Could someone tell me which is the direction of these magnetic field lines and why?
    Last edited by a moderator: May 2, 2017
  2. jcsd
  3. Jan 29, 2006 #2


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  4. Jan 29, 2006 #3
    Thank you. This rule is very useful.
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