A text-book on chemistryFor the use of schools and colleges . Air Kesin Pitch Beeswax Glass Sulphur Shellac All gases have the same induc-tive capacity, whatever their den-sity, elasticity, temperature, or hy-grometric condition may be. Fara-days apparatus for this investiga-tion was a kind of Leyden vial,Fig. 113, consisting of two metal-lic spheres, A A, insulated fromeach other by a stem of shellac, interval between the two couldbe filled with any gaseous mediumthrough the stopcock S. Two ofthe jars were used, one containingair as a standard. When t
A text-book on chemistryFor the use of schools and colleges . Air Kesin Pitch Beeswax Glass Sulphur Shellac All gases have the same induc-tive capacity, whatever their den-sity, elasticity, temperature, or hy-grometric condition may be. Fara-days apparatus for this investiga-tion was a kind of Leyden vial,Fig. 113, consisting of two metal-lic spheres, A A, insulated fromeach other by a stem of shellac, interval between the two couldbe filled with any gaseous mediumthrough the stopcock S. Two ofthe jars were used, one containingair as a standard. When the otherjar was charged, the charge was di-vided with that containing air, andthe relative intensity measured byan electrometer. After the electric equilibrium ofa body has been disturbed, it maybe restored by conduction, disrup-tion, or convection. An example What is meant by specific inductive capacity ? Give the induc-tive capacities of air, resin, etc. What is the case with gaseous bod-ies ? Describe Faradays apparatus. HEAT DEVELOPED BY ELECTKICITY. 145 of the first and second methods of discharge is seen inthe use of a discharging-
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