Electric bulbs are filled with the gas
a. oxygen
b. carbon dioxide
c. argon
d. nitrogen
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c. argon...................
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(c) argon
answer. Fulling a blub with an inert gas such as argon and nitrogen retards the evaporation of the tungsten filament compaired to operating it in a vaccum.
answer. Fulling a blub with an inert gas such as argon and nitrogen retards the evaporation of the tungsten filament compaired to operating it in a vaccum.
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