chp28_8 - PHY2061 R. D. Field Electric Potential Energy For...

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PHY2061 R. D. Field Department of Physics chp28_8.doc University of Florida Electric Potential Energy For a system of point charges: The potential energy U is the work required to assemble the final charge configuration starting from an inital condition of infinite separation. Two Particles: UK qq r q Kq r q r ==  + 12 1 2 2 1 1 2 1 2 so we see that Uq V ii i =
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