Which of the following devices converts chemical energy into electrical energy?

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Electric bulb

Battery

Switch

None of these

answer is B.

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Detailed Solution

A battery converts chemical energy into electrical energy.
A battery is a device that directly converts the chemical energy contained in its active material into electrical energy through an electrochemical oxidation-reduction (redox) reaction. This type of reaction involves the transfer of electrons from one substance to another substance through an electrical circuit.

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