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 941
follows from the principles explained in art. 885. The horizontalcomponent of the earths magnetic field only is concerned, and the movablecircuit bcc places itself so as to add its own lines of force to those of theearth. It tends therefore to remain in an east and west plane, with thecurrent as… … Fig. 889 If the rod with a single wire, in fig. 889, is replaced by one with twowires as in fig. 888, the rod will not move, for as each wire tends to placeitself on the east of the colunm a, two ec|ual and contrary effects are producedwhich counterbalance one another. 892. Action of the earth on…
Physics
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