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B-Field due to single coil. EM-h1m
Iron filings are sprinkled on a plexiglas plate through which a single loop of current-carrying wire is mounted Fishbane Chapter:   30.3 HRW 9th:   29.02 Reese Chapter:   20.6 SJ 3rd Chapter:   22.7 PIRA DCS classification:   5H15.106

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