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 176
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 … Fig. 86. like a magnetic shell (segArt. 107), having its upper faceof S.-seekirig magnetism, and its lower face of N.-seekingmagnetism. It can be shown in every case that a closedvoltaic circuit is equivalent to a inag7ietic shell whoseedges coincide in position with the circuity the shell beingof…
Electricity · Magnetism
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