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 397
onductor nu)ved forc-ibly across the lines-of-foice of a magnetic fieldexperiences a mechanicalresistance due to the in-duced currents which op-pose its motion. 402. Induction - cin:-rents from Earths Mag-netism.—It is easy to ob-tain induced currents from the earths magnetism. Acoil of fine wire… … Fig. 150. 372 ELEMENTARY LESSONS ON tCHAP. K. the dnrection and number of lines-of force. If a smallwire coil be joined in circuit with a long coil galvan-ometer having a heavy needle, and the little coil be sud-denly inverted while in a magnetic field, it will cut allthe lines-of-force that pass…
Electricity · Magnetism
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