Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 349
90° 180° 270° 360° etc. Fig. 314. Curve of commutated electromotive force each to a portion of the armature coil in tlie manner shownin Fig. 313. The result of using a simple split-ring com-mutator is shown graphically in Fig. 314. 300 INDUCED CUREENTS … Fig. 315. The direct-currentdynamo, drum winding 356. The drum-armature direct-current dynamo. Fig. 315 is a diagramillustrating the construction of a commercial two-j)ole direct-currentdynamo of the drum-armature type.At a given instant currents are being-induced in the same direction in allthe…
Physics
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