Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 356
in the external circuit, but still alternates in themachine. 319. A Simple Dynamo.—Consider the single closed loopof wire, ABCD, Figs. 305 and 306, which is mounted on ashaft and may be rotated around its horizontal axis in theuniform magnetic field, NS, in the direction of the arrow.The direction… … 274 and H 291.* At the position ABCD, Fig 306, there isno induced E. M. F. in the loop, since all the lines of force ofthe field thread through it. During the first quarter of a rev-olution, the lines of forcethreading through the loop aregradually diminished at an in-creasing rate, and the E. M.…
Electricity · Magnetism
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