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Electric Potential Problem

  1. Sep 12, 2006 #1
    The thin, uniformly charged rod shown in the figure has a linear charge density . Find an expression for the electric potential at P. (Use k_e for ke, lambda for , a, b, and L as necessary.)


    I'm not sure how to tackle this problem, if anyone could come up with the expression so that I have an answer to work towards to, it'd be greatly appreciated.
  2. jcsd
  3. Sep 12, 2006 #2


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    Do you know calculus?

    Find an expression for the potential caused by each "infinitesimal" length dL, and then sum them with an integral.

    - Warren
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