. Electricity in diseases of the eye, ear, nose and throat . Fig. 1. The negative wax rod would electrify the paperspositively, attract them, then give them a negativecharge and repel them. That is to say, oppositely charged bodies attractand similarly charged bodies repel each If, in Fig. 2, A, two pith lialls be suspended bynon-condncting silk threads and charged + and —,by bringing in contact with the left one an electrified PHYSICS OF ELECTRICITY. glass rod, and, with the right one, an electrified waxrod, the two balls will attract each other. In B. and C. the balls repel each othe
. Electricity in diseases of the eye, ear, nose and throat . Fig. 1. The negative wax rod would electrify the paperspositively, attract them, then give them a negativecharge and repel them. That is to say, oppositely charged bodies attractand similarly charged bodies repel each If, in Fig. 2, A, two pith lialls be suspended bynon-condncting silk threads and charged + and —,by bringing in contact with the left one an electrified PHYSICS OF ELECTRICITY. glass rod, and, with the right one, an electrified waxrod, the two balls will attract each other. In B. and C. the balls repel each other, when bothare charged respectively + and — O ^^^X-Jxn. (c ^a. ) cS. c^ B Fig. 3. In Figure 3, let A. represent a charged glassball, insulated; and B. C. two oval neutral metallicbodies on insulated stands, and supporting pith balls. If A. be placed near B. it will repel a -\- chargeto the far end of B., and attract a negative to the nearend. If C be brought near to B. the latter will inducein C. the charges indicated. Imagine in Fig. 3, B. the end -|- to be grounded,by connecting it with the earth, by a metal conductor:the positive charge will then escape to the earth. Ifthen the earth connection is disconnected, the —charge on B will be bound by the + of A. Shouldnow,
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Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjecteye, bookyear1912
