CFL Full Form

What is the Full form of CFL?

The full form of CFL is Compact fluorescent lamps. CFL is an energy-saving bulb that consumes much less energy than the conventional incandescent lamps. It is made of a glass tube, along with two electrodes. The glass tube contains a mixture of argon gas & mercury vapour and is filled with phosphorus on the inner surface.

A brief history of CFL

  • For CFL there is a significant revolution in light history, the CFL is a generation of Electric Lamp. And history was produced in the 1890 Century by Peter Cooper Hewitt.
  • However, at the time the CFL price was supposed to be high, so the CFL was also redesigned in 1939 and later it was cheap.
  • The CFL is updated again in the 1976 century and cost became cheap.

Working principle of CFL

CFL has various illumination generating pathways than that of the incandescent lamps. An electric current in a bright light travels via a wire filament. It heats the thread to create a light, as well as the filament glows—the current in CFL transfers via the tube that contains the blend of argon gas & mercury vapour. The current activates the mercury vapour that generates UV light.

Advantages of CFL

  • It uses less energy than incandescent lamps between 60-80 per cent.
  • It lasts longer than normal lamps and uses less energy, so in the long run, it’s much less costly.
  • It helps reduce CO2 emissions as CFL produces fewer CO2 emissions than an incandescent lamp.
  • CFLs are versatile and highly efficient. They arrive in a variety of sizes, shapes & capacities to suit various home decors and objectives.
  • They can also be conveniently used in various light fixtures including ceiling lamps, table lamps, dimmer lamps and so on.
  • It generates less heat because much of the energy is transferred into visible light, meaning that much less heat is transferred.


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  1. Good answer. I understood it now, thanks a lot