Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 251
ce the currentthrough the same resistance requires double the pressure tobe applied. The available pressure applied to the lamps is40 volts. If the wires considered above were just double thearea, only one-half of the pressure would be lost on the leads,and therefore one-half of the energy lost,… … N.**-*/ thin lines in Fig. >U» . . . 206. With one lamp connected at B, the volt- ^ meter may read 50 volts, as be- Fig. 205.— Volts Drop in an Electric Circuit. f()lv j,^ |Jie fa]} of potential or drop on the line, 10 volts, will not now be uni-form,since the resistance is not uniform. The…
Electricity · Magnetism
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