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Homework Help: Force between 2 parallel, charged, conducting sheets.

  1. Dec 9, 2011 #1
    1. The problem statement, all variables and given/known data
    Two square parallel sheets with area>>distance between them have total charges of Q1 and Q2 on them. What is the force between them?

    2. Relevant equations

    3. The attempt at a solution
    I set up 4 equations for the charges on the inner and outer sides of each plate (shown above)

    Now I have no idea how to find the electric field from here. any help?
  2. jcsd
  3. Dec 9, 2011 #2
    Or am I doing this wrong?
  4. Dec 9, 2011 #3
    This seems like such an easy problem but I have no idea where to start..
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