Write a short note on the LED bulbs and their Merits

LED BULB

  • An LED bulb is a semiconductor device that emits visible light when an electric current passes through it.
  • The colour of the emitted light will depend on the type of materials used.
  • With the help of chemical compounds like Gallium Arsenide and Gallium Phosphide, the manufacturer can produce LED bulbs that radiate red, green, yellow and orange colours.
  • Displays in digital watches and calculators, traffic signals, street lights, decorative lights, etc., are some examples of the use of LEDs.

Merits of a LED bulb

  • As there is no filament, there is no loss of energy in the form of heat. It is cooler than the incandescent bulb.
  • In comparison with fluorescent light, LED bulbs have significantly low power requirements.
  • It is not harmful to the environment.
  • A wide range of colours is possible here.
  • It is cost-efficient and energy efficient.
  • Mercury and other toxic materials are not required.
  • One way of overcoming the energy crisis is to use more LED bulbs.

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