P25_025 - P That distance is √ R 2 z 2 so the electric...

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25. (a) All the charge is the same distance R from C , so the electric potential at C is V = 1 4 πε 0 · Q R 6 Q R ¸ = 5 Q 4 πε 0 R , where the zero was taken to be at inFnity. (b) All the charge is the same distance from
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Unformatted text preview: P . That distance is √ R 2 + z 2 , so the electric potential at P is V = 1 4 πΡ Β· Q √ R 2 + z 2 βˆ’ 6 Q √ R 2 + z 2 ΒΈ = βˆ’ 5 Q 4 πΡ √ R 2 + z 2 ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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