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The full form of LED is

June 1, 2025 by rawan239

The full form of LED is

Light Emitting Diode

Light Emitting Device

Light Enhancing Device

Light Enhancing Diode

This question was previously asked in

UPSC NDA-2 – 2018

Download PDF Attempt Online

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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