ch24-p033 - 33. Consider an infinitesimal segment of the...

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33. Consider an infinitesimal segment of the rod, located between x and x + dx . It has length dx and contains charge dq = λ dx = cx dx . Its distance from P 1 is d + x and the potential it creates at P 1 is dV dq dx cx dx = + = + 1 4 1 4 00 ππ εε . To find the total potential at P 1 , we integrate over the length of the rod and obtain 0 0 0 92 2 1 2 2 2 [l n ()
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