The mathematical theory of electricity and magnetism (1911)
Jeans, James Hopwood, Sir, 1877-1946 · Cambridge [Eng.] : University Press · leaf 90
nced by the tension of thesurface of the bubble. If, however, the bubble is electrified there will be anadditional force acting normally outwards on the surface of the bubble, namelythe force of amount 27ro-- per unit area just investigated, and the bubble willexpand until equilibrium is reached… … Fig. 37. us, then, suppose the pressure to be k/u^. Consider the equilibrium of thesmall element of surface cut off by a circular cone through the centre, of smallsemi-vertical angle 0. This element is a circle of radius ad, and thereforeof area ira^O^. The forces acting are: (i) The atmospheric…
Electricity · Magnetism
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