lement is —-:;-^; and using this for — q 271/ ° -^ in (17), we find, for the density on eitherside at P, of the electrification inducedby it, the following expression:— Now calling 0 the centre of the sphericalsurface, let COP be denoted by tj ; GOQ by 6; the value of either of these when P or Q is… … XV.] Segment of Spherical Conducting Surface. 185 and we may take d(T=lf^&\udded4>. Hence if, lastly, p denote the electric density at P, on the con-cave side of the segment, we have V /■ /^^ d<b P=Q sr II \\ <Z^sin^V(cosa-cos^) I ^ -. t—z -• 87ryv(cos97-cosa) f ^ y ^ 1—cost;cos0…
Electricity · Magnetism
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-390-149.webp)
![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-195-116.webp)
