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    Miamz's Avatar
    Miamz Posts: 1, Reputation: 1
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    #1

    Jan 29, 2009, 11:58 PM
    solve with an equation
    a non conducting disk of radius R lies in the plane z=0 with its center at the origin. The disk has a uniform surface charge density of *. Find the value of z for which Ez=*/Z(4E)
    harum's Avatar
    harum Posts: 339, Reputation: 27
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    #2

    Jan 30, 2009, 09:54 AM

    You have to do a better job explaining what you want to find.
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