how does a light bulb glow?
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Explanation:
Electricity flows through a thin wire in the light bulb called the filament. ... Therefore as a result of this, the filament heats up and starts glowing, converting electrical energy to light energy. This is because of the Joule-effect, which means that resistances heat up when electrical current runs through them.
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Answer:
Electricity flows through a thin wire in the light bulb called the filament. ... Therefore as a result of this, the filament heats up and starts glowing, converting electrical energy to light energy. This is because of the Joule-effect, which means that resistances heat up when electrical current runs through them.
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