Gerard, Eric Mary, 1856-1916 · New York W.J. Johnston · leaf 150
mprisingthe even-number sheets, the second comprising the odd-number ones. The sheets of such a condenser cannot becharged at very different potentials for fear of piercing thedielectric by sparking. 95. Guard-ring Condenser.—Lord Kelvin has deviseda uniformly charged plane plate by cutting a… … W///m////.//,wm/, Fig. 50. circular cut has not sensibly modified the uniformity of thefield, so that the capacity of the disc A, of surface s, isrigorously /\nkr 96. Absolute Electrometer.—The pressure which is ex>ercised by unit surface on the disc A is, § 87, 2nk(f, the pressure on a surface…
Electricity · Magnetism
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