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Question about magnetic field

  1. Feb 5, 2010 #1
    i got it already, thanks
    Last edited: Feb 6, 2010
  2. jcsd
  3. Feb 6, 2010 #2


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    Staff: Mentor

    There is a reason that the Homework Help Template that you deleted when posting asks for the Relevant Equations. What is the equation that expresses precession based on torque? What is a necessary component of the equation? What is the torque on a bar magnet in an externally applied magnetic field?
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