Andrews, Ernest John, 1863-, Howland, Howard Newell, 1865- joint author · New York, London, The Macmillan company · leaf 276
orcedto run slower on account of the extra load, the addedlines of magnetic force will keep the E.M.F. nearly con-stant. For dynamos which are used to produce a constantE.M.F. and a variable current, as on incandescent lightcircuits, where lights are constantly being turned on andoff, the compound… … FiG. 163.
Physics
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