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Charge on a rod

  1. Jan 25, 2008 #1
    1. The problem statement, all variables and given/known data
    An infinite, thin, uniformly charged rod (charge density lamda) is situated parallel to a metal plate at a distance d above it. Calculate the E-field close to the surface of the plane as a function of perpendicular distance to the rod.




    3. The attempt at a solution

    I have worked out that the E-field due to the rod at a point a perpendicular distance x from the rod is lamda/(2piex) where e is epsilon0. However I don't know how to get the E-field due to the induction in the plate.

    Also this question is in a section where all the others so far have been using method of images, but I didn't think I could do this as it doesnt specify that the plate is held at zero potential.

    Please help!
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
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