Advanced theory of electricity and magnetism; A text-book for colleges and technical schools (1915)
Franklin, William S. (William Suddards), 1863-1930, MacNutt, Barry, 1878-1936. joint author · New York, Macmillan · leaf 149
itions of the tooth pick. 137 138 ADVANCED ELECTRICITY AND MAGNETISM. The behavior of the tooth pick shows that the whole regionsurrounding the charged metal balls in Fig. 89 is in a peculiarcondition, and this region is called an electric field. The directionof the electric field at each point is… … Fig. 90. Figure 90 shows the lines of force of the electric field betweentwo charged fiat metal plates. The short black lines representthe positions of a suspended tooth pick. The lines of force inthe region between the plates are straight lines, and the electricfield is said to be uniform. The…
Electricity · Magnetism
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