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Homework Help: Electrical field at the center of a hemisphere

  1. May 2, 2006 #1
    Charge is distributed uniformly on the surface of a hemisphere. Find the electrical field at the center of the sphere due to that.

    Can anyone help me???pls ^___^
     
  2. jcsd
  3. May 2, 2006 #2

    berkeman

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    Staff: Mentor

    What equation should you use for calculating the electric field resulting from a distribution of charge?
     
  4. May 2, 2006 #3

    robphy

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    Science Advisor
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    Gold Member

    As a preliminary step, can you determine the direction of the electric field ?
     
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