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Barkhausen effect EM-g2c
A soft iron core is inserted into a coil inside a magnetic field and connected to an audio amplifier and speaker. Fishbane Chapter:   32.3 HRW 6th:   32.8 Reese Chapter:   20.912 Purcell Chapter:   11.911 SJ 3rd Chapter:   22.911 PIRA DCS classification:   5G20.10

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