Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 102
same the resultantforce at each point of AB is the same in both cases and thecharge on AB is the same 3 hence the attraction on AB willbe the same. The condition for this will be that the distancebetween consecutive surfaces should be the same in the twocases, and for this we must havea a V a Thus… … Fig. 53.In practice it would be inconvenient to suspend thedisc from a balance, and the instrument usually takes oneof the two forms shewn in Figs. 53 and 54. In Fig. 53 60-61] MEASUREMENT OF POTENTIAL 93 the disc p is carried at one end of a long lever. Thisis attached to a horizontal wire tightly…
Electricity · Magnetism
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