Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 41
trical insulator such as air, or oil, or glass. An insulator betweentwo charged bodies is called a dielectric. This dielectric is theseat of a peculiar stress called the electric field which is similar inmany respects to the magnetic field. The lines of force of thiselectric field trend somewhat as… … Fig. 8. INTRODUCTION. 31 Electrostatic attraction. — The charged bodies A and B, Fig.8, attract each other. This attraction, which is called electro-static attraction, shows that the lines of force of an electric fieldare in a state of tension and have a tendency to shorten. Thistension of the…
Dynamos · Electric motors
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