The book Theoretical Elements of Electro-Dynamic Machinery was written by author Arthur E Arthur Edwin Kennelly Here you can read free online of Theoretical Elements of Electro-Dynamic Machinery book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Theoretical Elements of Electro-Dynamic Machinery a good or bad book?
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^^^ 1 < 38 Theoretical Elements of Electro-Dynamic Machinery.
entering the iron in the reversed direction, tends to neu- tralize the excitation of the prime flux. The induced M. M. p. reached in the iron at each point is such that it is just fA. — 1 times the resultant of the prime and induced counterflux.
Figs. 16 and 17 represent the effect of placing in a uniform flux, a soft-iron bar 50 cms. long, and 20 n square cms. in cross-section. The prime distribution of equipo- tential parallel planes is indicated by the dotted lines 10 cms. apart, and since the gradient is 10 ergs-per-unit-pole in this distance, -B = 1, from left to right. The bar c o D is now introduced with its axis parallel to JB. If the value of /< for the iron composing it, with JI=: 1, happened to be 2001, the induced distribution of potential would be approximately that indicated by the closed curves to the scale of inverted numbers. The external potentials are indicated only from -f- ^00 to — 700. By rotating the diagram about the axis a o b, these curves will generate the cor- responding equipotential surfaces.
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