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Need help with homework

  1. Mar 13, 2005 #1
    go here to see problem.

    In order for V=0, would the charge need to counteract the current's electric field?
  2. jcsd
  3. Mar 13, 2005 #2


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    Staff: Mentor

    Based on the form of A, what geometry would one expect?

    Point/sphere, plate/plane, or line.
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