Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 939
heel, and the north pole is in front, the wheel rotates in a direction oppositethat of the hands of a watch. Faradays disc (fig. 887) is similar ; the current arrives and departs by twosprings, one B which presses against the axis, and the other A against the cir-cumference of the wheel. H… … 914 Dynamical Electricity [889 is 7rr-H, r being the radius ; and if C is the current, the torque or momentof the couple tending to make the disc rotate is n-r-HC. The direction ofmotion is given by Amperes rule. 890. Electrodynamic and electromagnetic rotation of liquids.—The condi-tion of a…
Physics
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