Willoughby, George Alonzo, 1894- · Peoria, Ill. : Manual Arts Press · leaf 55
eproper length, to make the heating element of a device to beused for heating purposes. The se-lecting of the material, mounting itin the proper way, insulating the heat-ing element from the frame of the de-vice, and making proper provisionfor connecting to the source of cur-rent, are all problems… … Fig. 29. Illustratingthe heating eflEect of elec-trical current. The finewire becomes very hot,and the large wire re-mains cool because of thedifference in resistance.
Electricity · Electrical engineering
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