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Homework Help: Gauss's Law

  1. Feb 7, 2010 #1
    R and Q are given


    3. The attempt at a solution
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    I have no idea. I managed to do phi=E*2pi*r*h
  2. jcsd
  3. Feb 7, 2010 #2


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    Gold Member

    Welcome to PF!
    Could you be more specific? What is R for instance? What is P? What are you looking for?
  4. Feb 7, 2010 #3
    sorry for this R! mistake.

    now i am looking only for the electric potential (sigma) at the point P!
  5. Feb 7, 2010 #4


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    Gold Member

    I don't see any point P on the picture. What is the configuration of charges?
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