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Electricity and Magnetism

  1. Mar 24, 2008 #1
    1. The problem statement, all variables and given/known data

    Two infinitely-long lines of charge run parallel to the z-axis. One has a positive uniform charge per unit length, [lambda]>0, and goes through the x y plane at x=0, y=d/2. The other has a negative uniform charge per unit length, -[lambda], and goes through x=0, y=-d/2. Nothing changes with the z coordinate; the state of affairs in any plane parallel to the x y plane is the same in the x y plane.

    2. Relevant equations

    This is where I need help.

    3. The attempt at a solution

    My thought is the charge will be 0, but I cannot prove this without an equation or some work.
     
  2. jcsd
  3. Mar 24, 2008 #2

    dynamicsolo

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    What is the question the problem is asking about?
     
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