Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 456
yoke A. 527. The Alternating Current Dynamo. When an alter-nating current is used for electric lighting or powertransmission, the alternations range from 25 to 60 per second.Now such a current cannot be generated in a bipolar fieldexcept by unduly increasing the rapidity of the revolutionsof the… … Kio. 538.—Essential parts and electricalconnections in the alternatiny^ currentdynamo. field-majriiets. In tlie alternators in common use, the arma ture coils A, A. . . (Fig. 588) revolve in a umltipolar field. They are wound in alternate directions and connected in series with the two free ends of…
Physics
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