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Electric Fields and Electric Potentials “shape counts”. E =2k*lambda/r V = -2k*lambda*log r. E =kQ/r^2 V =kQ /r. point. line. E =2*Pi* k*sigma* sign(z) V = -2*Pi*k*sigma* |z|. sheet.
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Electric Fields and Electric Potentials “shape counts” E =2k*lambda/r V = -2k*lambda*log r E =kQ/r^2 V =kQ /r point line E =2*Pi* k*sigma* sign(z) V = -2*Pi*k*sigma* |z| sheet