Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 92
; and that sealingwax, pitch, amber, shellac, sulphur, and wax, became conductors when liquefied by heat. Heating Effect of the Current.—If a current of electricitypass over a conductor, no change in the heat condition of theconductor will be observed as long as its transverse section is… … ^M Fig. 82.—Standard two wire porcelain cleat. ratio of the electricity to the magnitude of the space affordedto it be increased, the conductor will be found to undergo anelevation of temperature, which will be greater, the greater thequantity of the electricity and the less the space supplied for…
Electrical engineering
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