Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 30
ains substantially the same in amount. It may appear from the above that there is a gain in energywithout a corresponding expenditure of work. This is not thecase, however, for eveiy time the.plate is raised, the attractionbetween the unlike charges must be overcome and work is there-fore expended… … Fig. 13. pies as the electrophorus; tlie initial charge induces othercharges, which are conveyed by the moving parts of the machineto some other part, where the induced charges may be accumu-lated. In another type the electricity is produced by fiiction.Fig. 13 illustrates the plate electric…
Electrical engineering
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