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B Electric field due to a point charges

  1. Jun 26, 2017 #1
    Suppose a charge q is placed at point x=0, y=0. A second charge q is placed at point x=8.0m, y=0. What charge must be placed at the point x=4.0m, y=0 in order that the field at the point x=4.0m, y=3.0m be zero?
     
  2. jcsd
  3. Jun 26, 2017 #2

    cnh1995

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    Homework Helper
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    Welcome to PF!

    Post this question in the homework help section and fill up the three part template provided there. You are supposed to show your attempt.
     
  4. Jun 26, 2017 #3
    I don't have yet my attempt solution . Our teacher gives this problem without teaching . will you please help me ?
     
  5. Jun 26, 2017 #4

    cnh1995

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  6. Jun 26, 2017 #5

    jtbell

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    Staff: Mentor

    You need to show at least some thoughts or ideas about the solution, even if you can't proceed very far with it.
     
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