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प्रश्न
Write two differences between the primary and secondary cells.
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उत्तर
The two differences between primary and secondary cell are :
(a) Primary cells cannot be charged again while secondary cells can be charged again and again.
(b) In primary cells, a chemical reaction is irreversible while in secondary cells, a chemical reaction is reversible.
(a) Primary cells cannot be charged again while secondary cells can be charged again and again.
(b) In primary cells, a chemical reaction is irreversible while in secondary cells, a chemical reaction is reversible.
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