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Homework Help: Electric dipole

  1. Jan 15, 2008 #1
    1. The problem statement, all variables and given/known data
    4. An electric dipole lying along the z-axis consisting of a positive charge +q at position
    z+d and a negative charge q at position z sits in an electric field that varies with position,
    E = E(z). What is the net force on the dipole, in the limit d-->0 Write your answer in
    terms of the dipole moment p = qd.

    2. Relevant equations

    3. The attempt at a solution
    http://img267.imageshack.us/img267/5956/imguu3.jpg [Broken]
    Last edited by a moderator: May 3, 2017
  2. jcsd
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