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Gauss with Electric Field Visualizer EM-b2f
Tiny fibers in a clear oil that align in the direction of strong applied electric fields remain randomly oriented inside a charged ring. Fishbane Chapter:   24.4 HRW 6th:   24.6 Reese Chapter:   16.911 Purcell Chapter:   3.3 SJ 3rd Chapter:   19.9 PIRA DCS classification:   5B20.32

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