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Homework Help: Need help on this simple quenstion(electric fields)

  1. Mar 9, 2008 #1
    1. The problem statement, all variables and given/known data
    asking electrick field due to this charged (homegenous) line.length of line is 2L.charge is Q.

    i really dont know about fields, so if someone help me i will be glad.
  2. jcsd
  3. Mar 9, 2008 #2
    ok, so you need to find the electric field strength at that point. What is the first step? The first step is to imagine a point charge on the rod. The electric field strength generated from this charge at that point, take this and integrate it over the length of the wire.
  4. Mar 9, 2008 #3
    ok i understand. thank you for help.
  5. Mar 10, 2008 #4
    no problem, what was the answer by the way
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