Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 479
orce suppliedat the electric mains, but also to working at uniformspeed, whether the work be light or heavy, or whetherthe machine run idle. 476. Alternate Currents.—Fig. 186 shows a singleloop of wire arranged to turn continuously in thespace between the poles of an electromagnet, a regionof great… … Fig. li CHAP. XV.] ELECTRICITY AND MAGNETISM. 453 ence of the magnetism. If the loop were in a hori-zontal position, the magnetic influence upon it wouldbe very much smaller, because only the force emanat-ing from a narrow strip of the N pole of the magnetwould act upon the loop, on its way to the…
Electricity · Magnetism
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