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Kittlinljd
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1. The arrangement of charges shown in the figure is called a linear electric quadrupole. The positive charges are located at +-s. Notice that the net charge is zero.
Find an expression for the electric potential on the x-axis at distances y>>s.
Homework Equations
V= [tex]\sum[/tex]1/4pi [tex]\epsilon[/tex]0 * qi/ri
The Attempt at a Solution
Im just not sure how to go about modeling this equation.. otherwise I don't know were to start.
I have tried: 1/4pi[tex]\epsilon[/tex]0 *Q/y thinking that it was a simple question, and I now understand that I should pick a s-value and use that to come up with the radius. However, I am stuck on how.
Thanks
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