Why is glass used to make electric bulbs ?
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The resistance of the filament heats thebulb up. Eventually the filament gets so hot that it glows, producing light. Glass is transparent and an insulator of heat and electricity hence it is used for making bulb.
Answered by
1
The resistance of the filament heats thebulb up. Eventually the filament gets so hot that it glows, producing light. Glass is transparent and an insulator of heat and electricity hence it is used for making bulb.
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