ch22_p70 - 3 / 2 r d = away from that midpoint. Plugging...

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70. The two closest charges produce fields at the midpoint which cancel each other out. Thus, the only significant contribution is from the furthest charge, which is a distance
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Unformatted text preview: 3 / 2 r d = away from that midpoint. Plugging this into Eq. 22-3 immediately gives the result: E = Q 4 o r 2 = Q 3 o d 2 ....
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This note was uploaded on 01/25/2011 for the course PHYSICS 17029 taught by Professor Rebello,nobels during the Fall '10 term at Kansas State University.

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