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 113
ument indicates thevoltage under test. As directed above, use key Ri for rough adjustment, R2 for intermediateadjustment, and key Ro for final adjustment. Plug at 1 gives readings for voltage directly from settings of tenthsswitch and extended wire contact. Plug at .1 shunts the potentiometer… … Fig. 615.—To measure a pressure greater than 1.6 volts with Leeds and Nothrup potentiometer by using a volt box or multiplier. To measure high voltages it is necessary to connect thevoltage across high resistance and to measure on the potentiometer a definite fraction ofthe total drop. In the…
Electrical engineering
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