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 326
th each other and then separatedin order to establish the arc, otherwise a pressure of several thousand volts would berequired to make the cur-rent jump the air gap. Ques. Upon what doesthe intensity of the lightgiven out by the arc de-pend ? Ans. On the tempera-ture to which the electrodescan be… … T OO OV 00 «S -7* — , i <N LEhfiTHQFARC IN INCHES Fig. 3,330.—Diagram showing watts consumed fordifferent lengths of arc. For example, with aconstant current of 10 amperes, the watts atthe arc will increase from 430 for an arc lengthof .394 inch to 620 for an arc length of 2.758inches. In…
Electrical engineering
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