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What happens to the pressure of a gas in a light bulb a few minutes after the light is turned on?
Wiki User
∙ 14y ago
Light bulbs use special gas that is not flammable, so that the filament does not burn up as it would in normal atmospheric conditions.
The agitation of electrons running through the wire causes heat, and thus the release of photons. Consequently, the air inside the bulb must heat up as well, as its electrons become agitated. The gas has a much higher burn point than normal air though, so it does not com-bust.
I hope that helps you out :D
Wiki User
∙ 14y ago
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