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Steel Bar and Magnet Puzzle
EM-g1b



Given only a cylindrical magnet and a similarly shaped steel bar, figure out which is which!


HRW 6th:   32.1
Reese Chapter:   20.1
Purcell Chapter:   11.911
PIRA DCS classification:   5G10.30

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