POTENTIAL DIFFERENCE
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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