Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 113
o store a largecharge at the potential of the source, and when there is no needto alter the distance between the plates, the condenser usuallytakes the form of a jar of glass having inside and outside coatingsof tin-foil. A knob gives connection with the inside of the jar ;this knob should, if… … ence of potential of outside and inside, it should be our objectto make this difference as large as possible. As a rule the highestavailable potential is that of our source, and with this we connectthe knob ; the lowest available is the zero potential of the earth, and so we put the outside coating…
Electricity
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