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Surface charge density - conducting balls EM-b3a
A pair of large balls with the same separation as a pair of small balls are charged simultaneously with the Wimhurst. Fishbane Chapter:   25.6 HRW 9th:   24.04 Reese Chapter:   17.5 SJ 3rd Chapter:   20.6 PIRA DCS classification:   5B30.100

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Physics Lecture Demonstrations at the Department of Physics and Astronomy
The Johns Hopkins University