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 177
t possible mmiber of lines of :hap. III.] ELECTRICITY AND MAGNETISM. IS9 force. If the circuit is fixed and the magnet movable,then the force acting on the magnet will also be such as totend to make the number of lines of force that passthrough the circuit a maximum (see also Art. 317). 194. De la… … Fig. 87. cork, and connected above by a coil of covered copper wirebent into a ring. This is floated upon a dish containingdilute sulphuric acid. If one pole of a bar magnet beheld towards the ring it will be attracted or repelledaccording to the pole employed. The floating circuitwill behave like…
Electricity · Magnetism
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