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Semiconductor Materials and LED Basics

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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 (A) Signup and view all the answers

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

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

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

Anode and Cathode (A) Signup and view all the answers

Why are Silicon and Germanium not used in LEDs?

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

Which materials are commonly used in making LEDs?

Gallium Arsenide, Gallium Arsenide Phosphide, Gallium Phosphide (C) Signup and view all the answers

Semiconductor Materials and LED Basics

Choose a study mode

Podcast

Questions and Answers

What is the main material used in LED'S?

What does LED stand for?

Which terminal of LED is known as Anode?

Why are Silicon & Germanium not used in LEDs?

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

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

Why are Silicon and Germanium not used in LEDs?

Which materials are commonly used in making LEDs?

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