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Electric fields

  1. May 14, 2007 #1
    If a problem asks you to find the electric field at a certain point, do you add up the field vectors as if they were forces on a positive test charge?

    For example: [​IMG]
  2. jcsd
  3. May 14, 2007 #2

    Doc Al

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    Staff: Mentor

    Not exactly sure what you mean. You add up the field vectors contributed by each charge--you add them like vectors, of course. Is your question how do you find the direction of the field vectors? If so, then yes, they point in the same direction as the force on a positive test charge.
  4. May 14, 2007 #3


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    Science Advisor
    Homework Helper

    yes :) i would
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