Practical electricity, with questions and answers (1901)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 233
lar dynamo with a single coil wound on it,with the two ends of the coil connected to a pair of rings onwhich brushes make contact. As this coil revolves betweenthe poles of the dynamo there will be a certain E. M. F.produced at each point. The E. M. F. will be a maximumwhen the coil is horizontal… … Figure 79Alternating current produced in a bipolar field. again generated, but now in the opposite direction. Whenthe coil reaches the horizontal position the voltage will be anegative maximum, which gradually diminishes until thecoil has reached the vertical position again and the voltagesunk to…
Electricity · Electric generators
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