Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 175
takea battery and connect its terminals by a circuit of wire,and that a portion of the circuit be twisted, as in Fig. 86,into a looped curve, it. will be found that the entirespace enclosed by the loop possesses magnetic properties.In our figure the current is supposed to be flowing roundthe loop,… … I5S ELEMENTARY LESSONS ON [chap. in. rule, then, a N. pole would be urged downwards throughthe loop, while a S. pole would be urged upwards. Infact the space enclosed by, the loop of the circuit behaves
Electricity · Magnetism
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