P25_020 - 20. The net electric potential at point P is the...

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Unformatted text preview: 20. The net electric potential at point P is the sum of those due to the six charges: 6 VP = 6 VP i = i=1 = i=1 1 4πε0 + = −0.94q . 4πε0 d qi 4πε0 ri 5.0q −2.0q + + 2 d/2 + (d/2) 3.0q −2.0q + + 2 + (d/2)2 d/2 d d2 −3.0q + (d/2)2 −5.0q d2 d2 + (d/2)2 ...
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