same figure would be if connected with the earthby an infinitely fine wire, and inductively electrified only by 182 Distribution of Electricity on Circular [xv. the influence of a q[uantity —qoi electricity insulated at Q.Now, with our present notation (7) gives p^ ^ .-g (11), if KL be any chord… … Ka= KQ PQ= PQ Hence KQ :PQ::PQ:KQ; and there-fore the triangles KPQ, PKQ aresimilar; and therefore ^^^^^V^I^^^P^ (12). (Compare §§ 213, 227.) From this,and the corresponding expression forLP, we have LP.PK= m LP.KP PQ LQ.KQ (13); an expression in which, as the first member has the same valuefor all…
Electricity · Magnetism
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