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 1021
action of the earth,—Faraday discovered thatterrestrial magnetism can develop induced currents in conductors in motion.He first pro\ed this by placing a solenoidal coil (such as A, fig. 966) withits length parallel to the dipping-needle ; on turning this helix 180° about anaxis perpendicular to its… … ti£- y77 for showing the currents produced by the inductive action of the earth. Itconsists of a wooden ring, RS, about a foot in diameter, fixed to an axis,oa, about which it can be turned by means of a handle, M. The axis oa is 996 Dynamical Electricity [966- itself fixed in a frame PQ, movable…
Physics
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