Asked by  | 14th Sep, 2008, 06:29: PM

Expert Answer:

A battery consists of two electrodes, the anode (negative) and cathode (positive. Usually these are two dissimilar metals such as copper and zinc. These are immersed in a solution (sometimes an acid solution).Battery or a cell produces potential difference by chemical reaction  between the two terminals.

Answered by  | 14th Sep, 2008, 08:30: PM

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