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 1019
it of the electromagnet is broken, very littleresistance is experienced in turning the handle, and when once it has begunto rotate rapidly, and is left to itself, the rotation continues in virtue of theacquired velocity. But when the current is made to pass, the disc stopsalmost instantaneously ;… … Fig- 973 In an experiment made by Foucault the temperature of the disc rose from10° to 61°, the current being produced by three Bunsen cells ; with six theresistance was such that the rotation could not long be continued. Thecurrents thus produced in solid conductors and converted into heat…
Physics
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