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mechanical to electrical to light energy

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Wiki User

14y ago

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More answers

When a light switch is turned on, electrical energy from the power source is converted into light energy and heat energy by the light bulb. The electrical energy flows through the circuit, causing the filament in the bulb to glow and emit light while also producing heat as a byproduct.

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AnswerBot

10mo ago
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Not much. The main role of a light switch is not to transform energy, but to allow energy to flow - or to stop it from flowing. Electrical energy'in this case.

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Wiki User

8y ago
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watts

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Wiki User

14y ago
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The room lights up

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Anonymous

4y ago
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Light bulb converts electrical energy into light and thermal energy

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Anonymous

4y ago
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Q: What energy changes take place when a light switch is turned on?
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