Question

what do you mean by primary and secondary cells?

Answer 1

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Primary cell. A primary cell is a battery that is designed to be used once and discarded, and not recharged with electricity and reused like a secondary cell(rechargable battery). In general, the electrochemical reaction occurring in the cell is not reversible, rendering the cell unrechargable.

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Answer 2

Primary cells are cheaper and find application in radios, flash lights, torches, etc. Secondary cells are those cells in which the chemical reaction can be