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Modern bulbs are usually filled with a mixture of argon and nitrogen. More rarely, some bulbs are filled with pure argon, krypton or xenon. The earliest bulbs weren't filled with any gas, but had vacuum inside.
Electric light bulbs are commonly filled with argon gas. The other ones could also be either helium, neon, nitrogen or krypton.
Argon gas .
Modern bulbs are usually filled with a mixture of argon and nitrogen. More rarely, some bulbs are filled with pure argon, krypton or xenon. The earliest bulbs weren't filled with any gas, but had vacuum inside.
Depends which kind of lightbulb. Incandescent light bulbs are not filled with gas. Energy saving lightbulbs may be filled with a range of gases. These include Neon, Phosphorus and Fluorine.
Light bulbs are filled up by Neon or Argon gases, because they are inert.
"filled with nothing" ??? yes is the answer your looking for, but the bulbs we use today are optimized to work with whatever gases each company uses. Oxygen is the destroyer of fillaments (remember the old flash bulbs?)
Incandescent bulbs are filled with an inert gas to avoid oxidation (and destruction) of the metallic filament.
Light bulbs are filled up by Neon or Argon gases, because they are inert.
A light bulb is a high resistance wire surrounded by the bulb filled with an inert gas. When electric conducts through the wire, energy is lose as heat and light.
Ordinary incandescent light bulbs are filled with an inert (electrically non-conducting) gas such as Nitrogen.Other types are filled with a gas containing low pressure mercury vapor and argon, xenon, neon or krypton.See the Related links for more information.
Different kinds of light bulbs used different gasses. The incandescent bulb uses no gas - it uses a vacuum. Other kinds of bulbs may use nitrogen, argon, neon, or krypton.