A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 358
ing the circuit),and the north pole, n, will revolve round the fixedwire, a b, in the direction of the hands of a watch. If, d*on the contrary, a b be connected with the negative been based on these facts ? 905 What follows when a magnetic pole and a wire overwhich an electric current is passing… … 854 ELECTRO-MAGNETISM. pole, and C d with the positive, an ascending current will be formed, and themagnet will revolve in the opposite direction. Mercury is used in this experiment, because, being a liquid, it allows themagnet to move through it, while at the same time, being a conductor, it Fig.…
Physics
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