10 Questions
What is a semiconductor?
A material with electrical conductivity between that of a conductor and an insulator, whose resistivity falls as its temperature rises.
How can the conducting properties of a semiconductor be altered?
By introducing impurities ('doping') into the crystal structure.
What is created when two differently doped regions exist in the same crystal?
A semiconductor junction.
What is the basis of diodes, transistors, and most modern electronics?
The behavior of charge carriers at semiconductor junctions.
Name two examples of semiconductors.
Silicon and gallium arsenide.
What is the relationship between the resistivity of a semiconductor and its temperature?
The resistivity of a semiconductor falls as its temperature rises.
How are the conducting properties of a semiconductor altered in useful ways?
The conducting properties of a semiconductor may be altered by introducing impurities ('doping') into the crystal structure.
What are the charge carriers involved in the behavior of semiconductor junctions?
The behavior of charge carriers at semiconductor junctions includes electrons, ions, and electron holes.
What are some applications of gallium arsenide as a semiconductor?
Gallium arsenide is used in laser diodes, solar cells, microwave-frequency integrated circuits, and others.
Why is silicon considered a critical element for fabricating most semiconductors?
Silicon is a critical element for fabricating most semiconductors due to its widespread use and abundance.
Test your knowledge of semiconductors with this quiz. Explore the unique electrical properties, temperature dependence, and doping techniques that make semiconductors essential in modern electronics.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
