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Electric Field Strength charges

  1. Apr 21, 2008 #1
    1. The problem statement, all variables and given/known data
    Charge A has 10 electric field lines coming out, Charge B has 20 lines coming out, and Charge C has 30 lines coming in. Which pair of these charges will have the largest force between them if placed one cm apart?

    2. Relevant equations

    3. The attempt at a solution
    Is it B and C just because they have the most amount of lines??
  2. jcsd
  3. Apr 21, 2008 #2

    Chi Meson

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    Yes. WHen drawing electric field lines, the number of lines are only a relative quantification of the field strength. If field lines are properly drawn, then 3 x the number of lines emanating from a charge indicates a charge 3 x as great.
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