8 Questions
What is the main material used in LED'S?
Gallium Arsenide
What does LED stand for?
Light Emitting Diode
Which terminal of LED is known as Anode?
A
Why are Silicon & Germanium not used in LEDs?
They produce heat when external energy is applied
What is the purpose of a light emitting diode (LED)?
To emit light when electrical energy is applied
What are the terminals of a light emitting diode (LED) called?
Anode and Cathode
Why are Silicon and Germanium not used in LEDs?
They produce heat when electrical energy is applied
Which materials are commonly used in making LEDs?
Gallium Arsenide, Gallium Arsenide Phosphide, Gallium Phosphide
This quiz covers the properties of semiconductor materials such as gallium arsenide (GaAs), gallium phosphide (GaP) and gallium arsenide phosphide (GaAsP), as well as the basics of light emitting diodes (LEDs) including their terminals, anode and cathode.
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