WHAT IS LIGHT BULB?
LIGHT BULB IS A DEVICE THAT PROVIDE A LIGHT WHEN VOLTAGE IS GIVEN TO BULB AND CURRENT FLOW THROUGH IT.
pictures source http://office-turn.com/light-bulb-types
IN METAL FILAMENT ,A FILAMENT MATERIAL IS HEATED BY A HIGH TEMPERATURE AND PROVIDE A LIGHT.
LIGHT BULB IS A DEVICE THAT PROVIDE A LIGHT WHEN VOLTAGE IS GIVEN TO BULB AND CURRENT FLOW THROUGH IT.
Incandescent Light Bulb
Light Bulb Base
Fluorescent Light Bulb
pictures source http://office-turn.com/light-bulb-types
IN METAL FILAMENT ,A FILAMENT MATERIAL IS HEATED BY A HIGH TEMPERATURE AND PROVIDE A LIGHT.
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