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 36
ght near an insulated metal cylinder B which is pro-vided with pith balls or strips of paper C, D, E, as shown. The divergence of C and E will show that the ends of B have receivedelectrical charges because of the presence of A, while the failure of Dto diverge will show that the middle of B is… … Fig. 17.—Experiment illustrating the nature of an induced charge. The apparatus consists ofa metal ball and cylinder, both mounted on insulated stands, pith balls being placed on thecylinder at points C, D, and E. inducing charge is electrified with the same kind of electricityas that on the…
Electrical engineering
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