Introduction to Semiconductor Technology (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a semiconductor?
What is a semiconductor?
A material that can act as conductor or insulator
How many valence electrons does silicon have?
How many valence electrons does silicon have?
Four
Why is silicon the most important semiconductor material?
Why is silicon the most important semiconductor material?
It has 4 valence electrons and forms crystals
What is doping in semiconductor technology?
What is doping in semiconductor technology?
Adding impurities to change electrical properties
How many valence electrons do atoms have that create N-type semiconductors?
How many valence electrons do atoms have that create N-type semiconductors?
Five
How many valence electrons do atoms have that create P-type semiconductors?
How many valence electrons do atoms have that create P-type semiconductors?
Three
What does the 'N' stand for in N-type semiconductors?
What does the 'N' stand for in N-type semiconductors?
Negative
What does the 'P' stand for in P-type semiconductors?
What does the 'P' stand for in P-type semiconductors?
Positive
What are electron holes in P-type semiconductors?
What are electron holes in P-type semiconductors?
Gaps where electrons are missing
What do transistors act as in electronic circuits?
What do transistors act as in electronic circuits?
Electrical switches
How are junctions formed in semiconductors?
How are junctions formed in semiconductors?
By combining N-type and P-type materials
Which application uses semiconductor technology?
Which application uses semiconductor technology?
Solar panels for renewable energy