MAGNETISM, PT A
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Defines magnets and explains the difference between natural and artificial magnets. Discusses the characteristics of magnetic lines of force about a magnet and the laws of repulsion and attraction between magnets. Then gives the factors that affect the amount of repulsion and attraction. Finally, explains the theory of molecular arrangement in a magnet. (Kinescope)
Sources
- usgov-av-1974 — title, creator, length, color, sound, description
Record added 2026-07-01 03:45:53