Millikan, Robert Andrews, Gale, Henry Gordon · Boston : Ginn and Co. · leaf 348
same direction through the external portion ofthe circuit. The simplest possible form of such a commutator DYNAMOS 299 is shown in Fisr. 312. It consists of a sinole metallic rinofwhich is split into two equal insulated semicircular segmentsa and c. One end of the ro-tating coil is soldered to… … Fk;. 312. The .simple conmiutator the current changes direction in the armature. The current,therefore, always passes out to the external circuit throughthe same brush. While a cur-rent from such a coil and com-mutator as that shown in thefigure would always flow in tliesame direction through the…
Physics
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