Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 323
this ieach half of the coil cuts the lines of force in an oppoedirection, consequently the induced E. M. F.s are also oppo-site in direction and in series with each other. The current.therefore, flows around the ring. When moved through the next 4.)°, or from B to C, therate of change of magnetic… … Fig. 274.—Phases of Induction in a Closed Loop When Rotated in a Mag-netic Field—Principle of the Dynamo. this angle of inclination, 4o°, and have, therefore, been emp-tied out. At the position of coil C, all the lines of forceabove it have been emptied out of the coil. The rate of change at this…
Electricity · Magnetism
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