JAMB - Physics (1992 - No. 31)
Which of the following factors has no effect on the e.m.f. of a primary cell?
temperature
size of the cell
nature of the plate
nature of the electrolyte
Explanation
The e.m.f. is primarily influenced by temperature, the nature of the plates, and the nature of the electrolyte, but not by the size of the cell itself.
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