A battery lights a bulb. Which of the following energy changes is not involved in this process?

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Chemical energy → Electrical Energy

Electrical Energy → Heat Energy

Electrical Energy → Light Energy

Light Energy → Chemical Energy

answer is D.

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Detailed Solution

Light energy does not change into chemical energy in this process.
When a battery lights a bulb, the following energy changes take place in the process.
Chemical energy → Electrical Energy → Heat Energy + Light Energy
Two or more electrical cells make up a battery. Chemical energy is transformed into electrical energy in an electrical cell. The bulb transforms the electrical energy it receives into heat and light energy. The battery transforms energy first, followed by the bulb, which is where it happens next.

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