The full form of LED is

[amp_mcq option1=”Light Emitting Diode” option2=”Light Emitting Device” option3=”Light Enhancing Device” option4=”Light Enhancing Diode” correct=”option1″]

This question was previously asked in

UPSC NDA-2 – 2018

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LED stands for Light Emitting Diode. It is a semiconductor device that emits light when an electric current is passed through it.

This is a straightforward question testing basic knowledge of common electronic component abbreviations.

LEDs are a type of diode, which is a two-terminal electronic component that conducts current primarily in one direction. When forward biased, electrons and holes recombine in the semiconductor material, releasing energy in the form of photons (light).

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