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B-Field due to long straight wire EM-h1k
Iron filings are sprinkled on a plexiglas plate through which a long vertical current-carrying wire passes. Fishbane Chapter:   30.1 HRW 9th:   29.02 Reese Chapter:   20.6 SJ 3rd Chapter:   22.7 PIRA DCS classification:   5H15.105

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