Electricity and magnetism for advanced students (1920)
Starling, Sydney George, 1873- · London Longmans, Green · leaf 126
aday that we owe theconception that the forces upon the charges are due to some specialcondition of the medium in which they are situated, which conditionmay be a state of strain • but since we are unacquainted with thestructure and nature of this universal medium, we are always driven tointerpret… … Fig. 122. 116 ELECTRICITY AND MAGNETISM place to place ; a charge suddenly produced at a point does not producea steady potential at every surrounding point, with the correspondingelectrical field, instantaneously, but they are propagated outwardsAvith a finite velocity. This consideration led…
Electricity · Magnetism
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