Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 43
angement of the mag-netic circuits; when placedin a coil of wire carrying acurrent the particles rear-range themselves longitudi-nally so that when viewedfrom the end of the tubethey offer less obstruction tothe light. 28 Breaking a Magnet.—The breaking of a magnetfurther supports the molecular… … Fig. 37.—Magnified Position of SteelFilings. S N Q Fig. 38.—Breaking a Stool Magnet. new S-pole is developed, while in the other piece the S-poleremains as before and a new N-pole is developed. Breakthese pieces again, Fig. 38, and each part is a perfect magnet,with the poles distributed as in the…
Electricity · Magnetism
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