International Library of Technology · Scranton, International Textbook Co. · leaf 19
h-ball suspended by a silk thread acts as a simpleelectroscope. A more sensitive electroscope is shown in Fig.902, and consists of two gold leaves suspended within a glassjary, which serves to protect them from drafts of air and tosupport them from contact with the earth. The gold leavesa are… … Fig. 903. plate or ball c. An electrified body, such as the rod d,brought into the vicinity of the electroscope, will cause theleaves to repel oneanother, due to the factthat they are both sim-ilarly electrified. To deternime the con-ditioii of a charge bythe electroscope: First,charge the gold…
Electrical engineering
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