LED — Study Resources & PYQs
Light-emitting diode and its applications.
- Estimated study time: 30 minutes
Study resources
- Light Emitting Diode (LED): Principle, Structure, and Applications - Vedantu (Article) — Exam-oriented explanation of how an LED converts electron-hole recombination into light, including construction and applications.
- Special Purpose Electronic Devices - MRCET notes (PDF) — Covers LED alongside the other special-purpose diodes (tunnel, varactor, photodiode) in this syllabus's written notes.
- NPTEL - Basic Electronics (IIT Bombay) - Optoelectronic Devices (Article) — NPTEL course page (Basic Electronics, IIT Bombay) that covers diode circuits including special-purpose diodes such as photodiodes and LEDs.
- GeeksforGeeks - Difference Between Diode and Zener Diode (Special Purpose Diodes) (Article) — Summarises different special-purpose diodes including the photodiode (light to current) and LED (current to light) with their working principles.
- Basic Electronics Tutorials - Diode section (Article) — General diode tutorial hub - browse here for the LED and other special-purpose diode entries as a second, web-based explanation.
- Light-emitting diode (Wikipedia) (Article) — Explains how a forward-biased LED emits light through electroluminescence when electrons and holes recombine across the junction, and surveys LED materials and applications.
- Basic Electronics - Prof. M.B. Patil, IIT Bombay (NPTEL), curated by Class Central (Video) — NPTEL video course whose early weeks work through diode circuits and diode rectifiers in detail, followed by the physics and amplifier circuits of the bipolar junction transistor.
LED previous year questions
Taught in these subjects
- BASIC ELECTRONICS ENGINEERING — BECT11 · Government College of Engineering and Technology, Jammu
- ELECTRONICS CIRCUITS-I — BECT21 · Government College of Engineering and Technology, Jammu
- BASIC ELECTRONICS ENGINEERING — BECT11 · Government College of Engineering and Technology, Jammu
- Fundamentals of Electronics Engineering — BECT22 · Government College of Engineering and Technology, Jammu
- Basic Electronics Engineering — ECT1101 · Government College of Engineering and Technology, Jammu
- FUNDAMENTALS OF ELECTRONICS ENGINEERING — ECT1201 · Government College of Engineering and Technology, Jammu
- BASIC ELECTRONICS ENGG — ECT1101 · Government College of Engineering and Technology, Jammu
- FUNDAMENTALS OF ELECTRONICS ENGINEERING — ECT1201 · Government College of Engineering and Technology, Jammu