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), 1833-1928 · New York : T. Audel & Co. · leaf 286
SERIES CONNECTION PARALLEL CONNECTION Figs. 3,258 and 3,259.—Method of reducing the resistance of bell coil so that a high voltagebell may be adapted to low voltage. The point to be noted in changing the connectionof the coils from series to parallel is that it should be so done that the current…
Electrical engineering
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