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Homework Help: Nonuniform volume charge density

  1. Nov 4, 2008 #1
    1. The problem statement, all variables and given/known data
    A slab of insulating material has a nonuniform volume charge density
    given by rho = Cx2, where C is a positive constant and x is measured from the slab’s center. The slab is infi…nite in the y and z directions.

    (a) Find the electric fi…eld for |x| > d=2, that is, in the regions exterior to the slab.
    (b) Find the electric …field for |x| < d=2, that is, in the interior region of the slab.

    2. Relevant equations

    Not sure

    3. The attempt at a solution

    I tried thinking in terms of gauss' law but i'm term how to tackle this problem
  2. jcsd
  3. Nov 4, 2008 #2


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    Homework Helper
    Gold Member

    Re: Conductors

    Gauss' Law sounds good....what kind of symmetry does this problem possess? What type of Gaussian surface do you use when that type of symmetry is present?
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