fluorescent lamps are used in lighting houses and shops .
There are different types of electric lamps , but the most popular of these lamps are Fluorescent lamps and light bulbs .
Fluorescent lamps are type of lighting lamps known as neon lamps , but the inert neon gas is not used inside its glass tube .
Uses of fluorescent lamps :
The fluorescent lamps are used in lighting houses , shops , offices and underground metro .
They are used in decorating commercial stores .
They are used in commercial advertisements .
Fluorescent lamps are used in decorating commercial stores . |
The structure of fluorescent lamps :
A glass tube which is a vacuumed glass tube that contains inert argon gas and a little of mercury , The inner surface of the glass tube is covered with a phosphoric material .
Two filaments of tungsten which are found at the two tips of the lamp from inside , where each tip contains a filament of tungsten .
Two points of connections at each tip of the lamp , They connect the fluorescent lamp to the electricity .
Fluorescent lamps are consists of a glass tube , two filaments of tungsten and two points of connection . Combined fluorescent lamps :
They are a type of fluorescent lamps that consume electric current less than the light bulbs , They stay longer than the ordinary electric bulbs from 8 to 18 times , Their working time is from 8000 to 15000 hours , while the working time of light bulbs are from 750 to 1000 hours .
Combined fluorescent lamps consumes electricity less than the light bulbs .
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