V-I Characteristics of Laser Diode 🔴 | Full Practical Explained

In this video, we perform the **V-I Characteristics of Laser Diode experiment** and explain the complete theory, graph, and analysis in a simple way.

This practical is very important for students studying electronics, physics, and engineering.

📌 **What you’ll learn:**

* What is a laser diode
* V-I characteristics explained clearly
* Threshold current concept
* How to plot the V-I graph
* Step-by-step experimental procedure
* Viva questions and important tips

📊 **Experiment Overview:**
We vary the input current and measure the voltage across the laser diode to study its behavior and determine the threshold current from the graph.

🎓 **Best for:**
Class 12 students, BSc Physics, Diploma, and Engineering (ECE/EEE) students.

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Видео V-I Characteristics of Laser Diode 🔴 | Full Practical Explained канала Engg Basics