The elements of natural philosophy : copiously illustrated by familiar experiments and containing descriptions of instruments, with directions for using : designed for the use of schools and academies (1856)
Sprague, A. W. (Alfred White), 1821-1891 · Boston : Phillips, Sampson & Company · leaf 255
pper pole, S, of the magnet, and pass offat C, through the bent wire and mercury, to B. Thus, as buta single pole of the magnet is acted on, it will commence arapid revolution round the conducting wire, in the directionand according to principles already stated. As action and reaction (§20) are… … What does Fig. 200 illustrate ? Explain this instrument. How will thepassage of the electric current along the wire, near the upper pole of themagnet, affect it ? Result of changing the conditions of the wire and magnetin this experiment ? 250 ELECTRO-MAGNETISM. through the Avire, this will be made…
Physics
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