Light Emitting Diode (LED)

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  Light Emitting Diode (LED) Introduction A Light Emitting Diode (LED) is a semiconductor device that converts electrical energy directly into light energy. It is a special type of PN junction diode that emits light when it is operated in the forward-bias condition . LEDs are widely used in electronic and electrical systems because they are small in size, consume less electrical power, have a long operating life, and can produce light in different colours. Common applications of LEDs include: Indicator lamps Digital displays Traffic signals Remote-control systems Automotive lighting Decorative lighting Street lighting Electronic instruments Television and computer displays Optical communication systems The basic principle behind LED operation is electroluminescence .   What is an LED? A Light Emitting Diode is a PN junction semiconductor device that emits visible or invisible light when current flows through it in the forward direction. T...
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Welcome to SamEduTechSolutions!
 
This website is  created to support students,especially those preparing or competitive exams and physics related exams.

I am a teacher passionate about helping students understand difficult concepts in a simple and clear way. On this blog, you will  find

Easy to understand physics notes

 multiple choice questions ( MCQ )s for practice

Online tests to improve performance
 
Important concepts explained step by step


Our goal is to make learning simple, effective and accessible for all students.

We Regularly update content to help you stay prepared and confidant in tour exams.

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