Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 423
s never used, as being relativelyfeeble for its mass as comparedwith any of the electro-magnetforms. Magnetos cannot be madewith certainty to be of the sarqeE. M.F. We can therefore couplethem in series only, such a seriesof magnetos acting like one ma-chine of the sum of \h.€\xE.AI.F.sand of the… … act as a motor {see Chapter XXIV.) and not as a driver of current. We may add that when a magneto is run at constant speedits E.M.F. is constant. Hence, in calculations we may deal withsuch as if they were voltaic batteries of constant E.M.F. § 17. Separately-Excited Machines.—When the…
Electricity
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