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प्रश्न
What is a secondary cell? Name one such cell.
उत्तर
Secondary cells are cells which provide current as a result of reversible chemical reactions. It converts electrical energy into chemical energy when current is passed in it (i.e. during charging), while it converts chemical energy into electrical energy when current is drawn from it (i.e., during discharging).
Example: Lead (or acid) accumulator.
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