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Unformatted text preview: . All the charge in it is a distance r 2 + z 2 from P , so the potential it produces at P is dV = 1 4 2 r dr r 2 + z 2 = r dr 2 r 2 + z 2 . The total potential at P is V = 2 Z R r dr r 2 + z 2 = 2 p r 2 + z 2 R = 2 h p R 2 + z 2 z i . The potential V sq at P due to a single quadrant is V sq = V 4 = 8 h p R 2 + z 2 z i ....
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 Fall '08
 SPRUNGER
 Physics, Charge, Electric Potential

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