International Library of Technology · Scranton, International Textbook Co. · leaf 274
north pole, a small movement ofthe coil to the right will not cause a very large change inthe number of lines threading it; consequently, only a smallE. M. F. will be induced. While the conductors are movingunder the pole-pieces, the E. M. F. will be practicallyuniform if the field is uniform, and… … 2648 THEORY OF ALTERNATING through the distance a b. This E. M. F. curve may be ofthe shape shown in Fig. 1509, the portion at y being fairly^^ uniform while the conductors are moving / \ under the poles; or it may have a differ- / \ ent shape, depending upon the shape of a b the coil and…
Electrical engineering
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