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Wednesday, June 4, 2014

Uses of fluorescent lamps and their structure


 

the fluorescent lamps
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 .

The fluorescent lamps
Fluorescent lamps are used in decorating commercial stores .

 The structure of fluorescent lamps :

 

  1. 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 .

     

  2. Two filaments of tungsten which are found at the two tips of the lamp from inside , where each tip contains a filament of tungsten .

     

  3. Two points of connections at each tip of the lamp , They connect the fluorescent lamp to the electricity

     

    Structure of fluorescent lamps
    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
    Combined fluorescent lamps consumes electricity less than the light bulbs .

  

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