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Self Energy of a thin insulating cylinder

  1. Mar 13, 2014 #1
    Any idea how to approach finding the self energy of an infinitely long, thin insulating cylinder.

    It's got linear charge density so I can probably express the self energy as energy/length.

    I just don't know how to approach it.
  2. jcsd
  3. Mar 14, 2014 #2
    That self energy diverges.
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