"Direct current" Quotes from Famous Books
... carbons of equal length an alternating current must always be used with them. Special alternating combinations were employed in some cases where a direct current had to ... — The Standard Electrical Dictionary - A Popular Dictionary of Words and Terms Used in the Practice - of Electrical Engineering • T. O'Conor Slone
... direction. Coils of wire fixed to a rotating axis were moved past the pole of a magnet. While the coil was approaching the lines of force were increasing, and a momentary inverse current was set up, which was immediately succeeded by a momentary direct current as the coil receded from the pole. Such machines on a small scale are still to be found in opticians' shops for the purpose of giving people shocks. On a large scale alternate current machines are still employed for certain purposes in electric lighting, as, ... — Scientific American Supplement, No. 324, March 18, 1882 • Various
... announcement to the test, not only of scientific but also of practical verification, and the probability is that all electric lighting stations in the twentieth century will contain not only dynamos of one type for the supply of light, but also direct current generators for transmitting power in all directions ... — Twentieth Century Inventions - A Forecast • George Sutherland
... lying in the cabin, was unconscious of any direct current of thought; she was quite unconscious that already this beautiful young husband of hers had made some impression upon her, and that, underneath, for all her absorption in her little brother and her own affairs, she was growing conscious of his presence and that ... — The Reason Why • Elinor Glyn
... ever so much more satisfactory for alternating than for direct current testing. The electrodes and solution are practically free from decomposition, and a given cross section seems to be able to carry a larger alternating than direct current—probably due partly to the absence of ... — Scientific American Supplement, No. 1157, March 5, 1898 • Various
... station had to be built for receiving the electricity in a 100,000-volt alternating current and delivering it to the locomotive in a 3,000-volt direct current. Therefore, this station had two functions to perform—reducing the voltage and changing the current from ... — Tom Swift and his Electric Locomotive - or, Two Miles a Minute on the Rails • Victor Appleton |