International Library of Technology · Scranton, International Textbook Co. · leaf 126
a. Consequently, the densities in the differentsubstances which compose the magnetic circuit will be N N -j—, —^, etc. Then, referring to the curves in Fig. 953, the permeability of any of the different metals, correspondingto their densities, can be found. The permeability of allnon-magnetic… … Fig. 954. of cast iron, when a bar of wrought iron is placed across its two ends,but separated from them by an air-gap of ^ inch. The dimensions ofthe magnet and bar are shown in Fig. 954. Solution.—This magnetic circuit is a compound one, composed ofthree different substances: (1) the cast-iron…
Electrical engineering
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