Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

8 Questions

1 Views

Semiconductor Materials and LED Basics

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main material used in LED'S?

Gallium Phosphide

Gallium Arsenide Phosphide

Gallium Arsenide (correct)

Silicon & Germanium

What does LED stand for?

Luminous Electric Device

Light Emitting Diode (correct)

Laser Emission Detector

Luminous Energy Diffuser

Which terminal of LED is known as Anode?

A (correct)

Gallium Arsenide

Silicon

Why are Silicon & Germanium not used in LEDs?

They produce heat when external energy is applied Signup and view all the answers

What is the purpose of a light emitting diode (LED)?

To emit light when electrical energy is applied Signup and view all the answers

What are the terminals of a light emitting diode (LED) called?

Anode and Cathode Signup and view all the answers

Why are Silicon and Germanium not used in LEDs?

They produce heat when electrical energy is applied Signup and view all the answers

Which materials are commonly used in making LEDs?

Gallium Arsenide, Gallium Arsenide Phosphide, Gallium Phosphide Signup and view all the answers