A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 478
the slit be connected by a conductor.Similarly a flat coil of insulated wire effects noscreening action when open, but when closed actsas the uncut copper plate. Here the screening action is due to thp factthat the energy of the field is spent in producingeddy currents in the interposed metal… … induction from occurring in a neighboring con-ductor, by interposing some conducting substancein which eddy currents can be freely established. As to the efficiency of the screening action, if themakes-and-breaks do not follow one another veryrapidly, the following principles can be proved : (i.)…
Electricity · Electrical engineering
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