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Basically nothing. It is a vacuum tube with tungsten filament hung on to two wires. Those wires applies voltage to the tungsten filament and bulb emits light (it is very hot indeed around 3000C). Most of the recent light bulbs contains argon gas.
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∙ 14y ago
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What is the function of the glass bulb on a lamp?
The glass bulb of a light bulb is known as the globe. It is made from a thin layer of glass to ensure light efficiency and still support the rest of the bulb.
What is the glass around a light bulb called?
a bulb
What was the first light bulb made up of?
Electricity and a glass bulb
How do you make a light bulb in alchemy?
Electricity + Glass = Light bulb
What is the insulator in a light bulb?
Glass is the insulator in a light bulb. The base has a heavy piece of glass to separate the ring from the center, and there is a glass support inside the bulb to hold up the filament and separate the wires going to the filament.
What is a glass bulb of a thermometer?
thermometer
What will happen if a glass of a light bulb is connected to a battery?
Nothing, glass is an insulator.
Why is the filament of a light bulb surrounded by glass?
Because inside of the glass bulb lies a vacuum that prevents the bulb from burning out within a few seconds rather than several thousand hours.
What are the major materials in a light bulb?
Glass
What was the first light bulb mad of?
glass
Is a glass bulb a conductor or insulator?
Insulator.
Why is there glass on the end of a torch?
It is there to protect the bulb.
