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Electric potential of noncunducting arcs

  1. Feb 24, 2010 #1
    1. The problem statement, all variables and given/known data
    There are three nonconducting arcs of radius R=8.5cm. The carges on these are as follows: q1= 4.52pC, q2= -2q1, q3= 3q1. With V=0 at infinity, what is the net electric potential of the arcs at the common center of curvature?


    2. Relevant equations
    used Vnet= k(q1/r+q2/r+q3/r)


    3. The attempt at a solution
    Used that formula and came up with 1.063x10^-4 as an answer. This just seemed really easy and I am wondering if I missed something.
     
  2. jcsd
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