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- · New York, T. Audel · leaf 267
and in large tubes such as used insupplying 40 to 60 lew. for constant current flaming arc lightsoperating at 4 or 6.6 amperes, the tubes are immersed in a RECTIFIERS 1,525 tank of oil, and cooled similar to the arrangement used for oilinsulated water cooled transformers. Ques. What results are… … Fig. 2,120.—General Electric 100 volt mercury arc rectifier tube. A,A, anodes; B, cathode;C, starting anode; D, tube or bulb. Ques. In the operation of a rectifier, name an inherentfeature of the mercury arc. Ans. A reverse pressure of approximately 14 volts is pro-duced, which remains nearly…
Electrical engineering
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