Question

what is a LED ? Mention two of its Application​

Answer 1

Answer:

PLS MRK AS BRAINLIEST

A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it.

Explanation:

two of its Application​

LCD panel backlighting: Specialized white LEDs are used in flat-panel computer displays.

Remote control: Most home-entertainment "remotes" use IREDs to transmit data to the main unit.

Answer 2

Answer:

Light Emitting Diode

Explanation:

* Seven segments displays.

* Indicator lamps on the front panel of the scientific & laboratory equipments.

* Traffic signals, exit signs, emergency vehicle lightning etc.