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Coulomb's Law multiple charges at specified set of points

  1. Feb 22, 2010 #1
    1. The problem statement, all variables and given/known data

    View attachment ECE_220_Matlab_Problem_1.pdf

    2. Relevant equations

    E = (q(R-R')) / (4*pi*epsilon*|R-R'|^3)

    3. The attempt at a solution

    Ignore the matlab part of the problem .. i can do that easily.

    I just need a head start ... so should i first calculate the E between the specified set of points and each of the 10 charges, then average it out to get the avg E for the first set? or should i find the average R between the 10 charges ( i can use that value for all 3 sets of coords) then subrtact R' (the set of coords) from it then etc?

    Thanks for the help.
     
  2. jcsd
  3. Feb 23, 2010 #2

    berkeman

    User Avatar

    Staff: Mentor

    Welcome to the PF. Just use the superposition of the E fields from each individual charge.
     
  4. Dec 14, 2010 #3
    thanks
     
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