Labels:hakham | reckoner OCR: Filament THIN wire coil in a light bulb that gives off light when 1tis heated by an electric current A LIGHT BULB consists ofa hollow glass ball with a coil of thin wire (the filament inside When an electric current flows through the filament. heats up and gives off light. Because the oxygen in ar would cause the filament to burn. the bulb filled with an unreactive gas that does not allow burning. itis
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