The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 43
onents of intensity due to e^, e.., ...separately. Instead of attempting to calculate jlNdS directly, we shall calculate separately the values of jjNidS, j K,dS, .... The value of jjNdS will,by equation (12), be the sum of these integrals. 34 Electrostatics—Field of Force [ch. n Let us take any… … Fig. 7. a sphere drawn through Q with J? as centre, and an element of area dm froma sphere of unit radius draAvn about I\ as centre. Let the normal to theclosed surface at Q in the direction away from 7? make an angle 9 with i^Q. The intensity at Q due to the charge e^ at I\ is e-^jP^Q^ in the…
Electricity · Magnetism
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