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Q.

When the chemicals in the electric cell are used up, the electric cell stops producing electricity. The electric cell is then replaced with a new one. Is it true that in the case of rechargeable batteries (such as the type used in mobile phones, cameras and inverters), the cells are used again and again?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
Rechargeable batteries can be recharged by providing sufficient current through them. But for electric cells which have chemicals in them, they cannot be recharged and when the chemical is once exhausted, it cannot be used further. We have to replace that by a new one.
 
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