how does a bulb glow in liquid? Explain.(Long answer)
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This is because conventional light bulbs produce a huge amount of heat energy. This goes into evaporating the liquid nitrogen which forms an insulating bubble around the filament, allowing it to heat up and glow
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Due to the heating effect of electric current, the bulb glows when the electric current passes through it. The filament of the bulb gets heated to a high temperature and it starts glowing.
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