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Electric Field due to a rod (1-dimensional)

  1. Feb 2, 2012 #1
    1. The problem statement, all variables and given/known data

    I am looking for the absolute value of the electric field at point A (see picture below) relative to the whole charged rod at the left side.


    2. Relevant equations
    -


    3. The attempt at a solution

    I am not quite sure whether my choice for R and the boundaries of the integral are correct.
    The solution seems to be legit at first sight, but as I'm just getting started with integrals, I would very thankful for any feedback or advice.

    em1b-wc1-o4.JPG
     
  2. jcsd
  3. Feb 3, 2012 #2
    Well, no one? Do I need to type out my solution? Thought it was okay to scan it.
     
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