Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 497
by induction, as in the first instance, and the mag-netism extends in the ring from the vicinity of the poles toward the neutral line,X X, which forms a rightangle with a line joining thepoles of the magnet. Inthe figure of the ring thelocation of the magnetismin the ring is indicated bythe… … Induction in an Iron Ring. polarity of the ring maintainsthe poles of the magnet. When the ring carries a coil, as shown in Fig. 461, themagnetic poles of the ring remaining stationary while thematerial of the ring and coil are revolved, there is a contin-ual passing of the sections of the coil…
Physics · Lantern projection · Electric apparatus and appliances
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