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 12
and not so efficient. Ques. What are some of the disadvantages of alter-nating current ? Ans. The high pressure at which it is used renders it danger-ous, and requires more efficient insulation; alternating currentcannot be used for such purposes as electroplating, chargingstorage batteries, etc.…
Electrical engineering
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