Which device converts chemical energy into mechanical energy?

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Lightning rod

Cell

Light bulb

Switch

answer is B.

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Detailed Solution

Concept: To answer this topic, we must understand both mechanical and chemical energy. Chemical energy may be released during a reaction, frequently in the form of heat. The type of energy that results from the transfer of electrical charges is known as electrical energy.
A cell or battery stores its energy in the form of chemical energy that is active in its constituent parts and may be instantly transformed into electric energy. The flow of electrical energy in circuits then takes the shape of a current.
Hence, option 2 is correct .

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