Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 347
with in practice are very sel-dom sine curves, but approach a sine curve quite often. 374. Maximum, Average, and Effective Values of E.M.F.and Current.—The maximum value of an alternating e.m.f. orcurrent is the value represented by the ordinate of the e.m.f.or current curve having the greatest… … ^60 THE ALTERNATING-CUKRENT CIECUIT 337 equal to the average of all of the instantaneous e.m.f.s orcurrents for a complete alternation, starting with zero valueand returning to zero value. For a true sine wave the aver-age e.m.f. and current are always .636 times their maximumvalue. This relation…
Electrical engineering
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