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 85
ator, and place all plugs in the rheo-stat, as any employed resistance in the rheostat will be in circuit 504 HAWKINS ELECTRICITY with the galvanometer and the battery. Place the batteryconnection so as to throw only one cell into circuit. Now pressthe keys and obtain a deflection of the… … Fig. 581.—Ohmmeter. It consists essentially of a slide wire Wheatstone bridge, with the scaledi%4ded to read either directly in ohms, or in per cent, of a fixed resistance value. A gal-vanometer is mounted on the containing case of each, and battery and galvanometer keysare pro\nded. In the direct…
Electrical engineering
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