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Uniform plane of charge

  1. May 14, 2017 #1
    1. The problem statement, all variables and given/known data
    Charge is distributed uniformly over a large square plane of side l, as shown in the figure below. The charge per unit area is σ. Determine the electric field at a point P a distance z above the center of the plane, in the limit l -> infinity..

    2. Relevant equations
    please help.. i have no idea where to start

    3. The attempt at a solution
    idk :(
     

    Attached Files:

  2. jcsd
  3. May 14, 2017 #2

    gneill

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    Staff: Mentor

    A genuine attempt at solution is required. Surely you can use the web for a bit of research?

    Use Google: Look up your thread title.
     
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