Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 378
pposite each other,so as to prevent as much as possible dispersion of lines of induction z ^ ^ ^ —-^^—^^f^-W f^- -^1 m i^i ^^ Jl \^y ^ : -^.-^-^ y 354 MAGNETISATION BY CURRENTS [286- in the intervening space. This is the arrangement which liuhm-korff used in his electro-magnet (Fig. 244). The two… … Fig. 244. In most cases the section of the yoke is made too small, and manylines of induction escape at p and E. In order to get fields either uniform or variable, the ends ofthe cores are provided with flat discs (Fig. 245), or conical (Fig.246) or bevelled pieces (Fig. 247). The wire makes about…
Electricity · Magnetism
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