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 type of materials do semiconductors sit between in terms of electrical conductivity?
What type of materials do semiconductors sit between in terms of electrical conductivity?
Conductors and insulators
Which external factors can turn a semiconductor on or off?
Which external factors can turn a semiconductor on or off?
Electricity, light, or heat
How many valence electrons does silicon have?
How many valence electrons does silicon have?
Four
What is the process of adding impurities to semiconductors called?
What is the process of adding impurities to semiconductors called?
Doping
How are N-type semiconductors created?
How are N-type semiconductors created?
Adding atoms with 5 valence electrons
What do P-type semiconductors have that act as positive charges?
What do P-type semiconductors have that act as positive charges?
Electron holes
What are electron holes in semiconductors?
What are electron holes in semiconductors?
Gaps where electrons are missing
What is a key limitation of intrinsic semiconductors?
What is a key limitation of intrinsic semiconductors?
Limited practical applications
What do transistors act as in electronic circuits?
What do transistors act as in electronic circuits?
Electrical switches
In which direction can diodes allow electricity to flow?
In which direction can diodes allow electricity to flow?
Only one direction
Why is silicon the most important semiconductor material?
Why is silicon the most important semiconductor material?
Has 4 valence electrons & easily processed
What semiconductor application converts light into renewable energy?
What semiconductor application converts light into renewable energy?
Solar panels