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 260
hus, electrically speaking, the effective voltage is that voltage whichis available for driving electricity around the circuit, that is, effective volts = virtual volts — back volts = virtual pressure — (virtual pressure — drop) In the case of the steam engine, the forward pressure absolute,… … y y Figs 2 493 and 2 494.—Steam engine indicator cards illustrating in mechanical analogy, themisuse of the term effective as applied to the pressure of an alternating current, rhecard fig 2 493, represents the performance of a steam engine taking steam at 60 lbs. (gauge)pressure and exhausting…
Electrical engineering
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