Why does a glowing bulb become warm?
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the filament in the bulb has resistance of bulb causes the filament to dissipate energy in the form of heat and light .the filament is actually glowing white - hot because of the energy it is dissipating ,thus giving off light.
chinu098794:
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Answered by
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The filament in the bulb has resistance . the current flowing through the resistance of bulb causes the filament to dissipate energy in energy in the form of heat and light . the filament is actually glowing white hot because of the energy it is dissipating , thus giving of the light.
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