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 84
gs be placed? Ans. If higher than 6,100 ohms, they should be placed inthe position ST; if lower than 1,100 ohms, in position PQ. TESTING AND TESTING APPARATUS 503 When the plugs are placed in the ST position, the unknown resistanceis found by dividing the value of the larger bridge arm by that of… … Fig. 580.—Queen portable silver chloride testing battery,advantage of long life, light weight, and compactness,new is .8 volt. The silver chloride cell has theThe pressure of each cell when Direct Deflection Method with Queen Acme Set.—To measure for instance, insulation resistance by direct…
Electrical engineering
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