Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 180
-Graphical FieldCurrent.Made with the aid of iron Circular lings. ELECTROMA GNETISM. 161 … Fig. 140.—Attraction of Magnetic Body (A) by theMagnetic Field of the Circular Current. through itself the greatest number of lines of force of the cur-rents field, T[ 43. There will be the same tendency in B, Fig.141, where the current is flowing in a rectangular circuit;but it will be seen…
Electricity · Magnetism
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