phericalsurface whose density at any point varies inversely as the cubeof its distance from a fixed point, show that the potential of thedistribution at any point on the opposite side of the sphericalsurface is the same as that due to a certain ctua,ntity of matter atthe given fixed point. Suppose… … in Fig. (a) the distance of 8 from the centre /, anl inFig. {h)f\ 88 PROBLEMS IN STATICAl ELECTRICITY. Join SF and produce it to T so that Fig. (a) 8P.8T=f-d\Fig. (J) 8P.ST=a-f\ Throug;h 8 draw any line meeting the sphere in E and/r, join P-& and T^; .-. 8E.8K=8P. 8Tin both figures; .-. the…
Electricity
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