Wright, Mark R., 1854- · London : Longmans · leaf 212
tflows, and the difference of potential is maintained by the con-sumption of the zinc. The electric current possesses energy andcan therefore do work. The source of the energy is due to theaction of the acid upon the zinc. In all cases of a current we musthave one plate acted upon and gradually… … as being from a higher to a lower potential, that is the directionof the ti-ansfer of the positive electrification. Fit up a simple cell (fig. 200), connect the wires called terminals,and observe the decomposition of the purezinc. If ordinary zinc be used, actionbegins before the terminals are…
Physics
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