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 70
ion existing between TESTING AND TESTING APPARATUS 489 the resistances of these arms that the resistance of one of themcan be calculated when the resistances of the other three areknown. When the current which starts from the battery arrivesat P, the pressure will have fallen to a certain value.… … BATTERY KE.Y Fig. 56.5.—Diagram showing arms of Wheatstone bridge, resistances and method of connectinggalvanometer, battery and unknown resistance. distance along the resistances between P and Q, as M is alongthe resistances of the upper line between P and Q, the pressurewill have fallen at N to…
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