An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 148
lines of force are set upin the iron than in the air, as if they left the airand crowded into the iron. For example, figure72 shows a small piece of iron A in the field of amagnet M; it will be noted that the field is dis-torted because so much flux is apparently tryingto crowd through the iron.… … Fig. 72. — Concentration of magnetic flux in iron due to its high permeability. easy to see then that the strength of the induced magnet dependson the permeability of the iron and the strength of the field inwhich it chances to be placed. In general, then, a magnetic body, 124 ELECTRICITY AND…
Electricity · Magnetism
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