Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 25
ermeated by a certainmagnetic influence, and such a region is called a magnetic field.The filaments of iron filings in Figs, i and 2 represent what arecalled the Ihies of force of the magnetic field. Figure 3 shows the arrangement of iron filings in the neighbor-hood of an electric wire ; the black… … Fig. 2. Figure I shows the approximately uniform magnetic fieldbetween two opposite magnet poles, and Fig. 4 represents the \^/.-^/7^ &?. ,.■; ■/■ ^, V • - ^-^T-r ■ v>,. ■■ -• - ^-.-^ \ vV==--.-. ■-ii- J Fig. 3. composite magnetic field produced between the two magnet polesof Fig. I when an…
Dynamos · Electric motors
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