International Library of Technology · Scranton, International Textbook Co. · leaf 398
5 lamps, and the pressure drops off as indicated. Armature Bagain raises the pressure 250 volts, so as to operate the5 lamps in circuit 2-1. It is thus seen that the multicircuit arrangement shownin Fig. 18 (b) operates the same number of lights as inFig. 18 (a), and the maximum pressure between…
Electrical engineering
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