Which of these uses a chemical reaction to produce an electric current?

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An electric generator

A dry cell

A Windmill

All of these

answer is B.

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Detailed Solution

A dry cell uses a chemical reaction to produce an electric current.
The electric cell converts chemical energy into electrical energy. It has two electrodes and an electrolyte. Materials present in the cell participate in chemical reactions. The power is generated from chemical reactions. Thus, an electric cell uses a chemical reaction to produce an electric current. On the other hand, an electric generator converts mechanical energy to electrical energy, and the windmill converts wind energy to electrical energy.
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