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 303
f them be reversed, the coil, AB,will move against the direction ofthe arrows and complete one-halfrevolution, till its plane coincideswith CD, when B will be directlyabove C. This motion is in accord-ance with the latter half of Law 2,when the currents flow in one wiretoward the point of crossing,… … Fig. 251.—Angular Currents Tend to Become Parallel and Flow in the Same Direction. other movable, and through which the current to be measuredis passed. The general appearance of the laboratory type,known as a Siemens dynamometer, is illustrated in Fig. 252,and the diagram of the circuits is shown…
Electricity · Magnetism
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