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Working Principle of a Tube Light

What is Tube Light?

Tube shaped fluorescent lamp is termed as tube light. Tube light is a lamp that works on low pressure mercury vapor discharge phenomenon and converts ultra violate ray into visible ray with the help of phosphor coated inside glass tube.

Material Used Inside the Tube Light

The materials used to build a tube light are given below.
  1. Filament coils as electrodes
  2. Phosphor coated glass bulb
  3. Mercury drop
  4. Inert gases (argon)
  5. Electrode shield
  6. End cap
  7. Glass stem
material used in fluorescent lamp

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Working Principle of a Tube Light

Auxiliary Electrical Components along with Tube Light

The tube light does not work directly on power supply. It needs some auxiliary components to work. They are-

auxiliary electrical components along with tube light

Working Principle of Tube Light


SS DASGUPTA commented on 26/04/2018
Nicely explained.
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