Basic Principles and Applications of Semiconductor Technology (2026) (Leaving Cert Engineering): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Where do semiconductors sit in terms of electrical conductivity?
Where do semiconductors sit in terms of electrical conductivity?
Between conductors and insulators
What are the two most commonly used semiconductor materials?
What are the two most commonly used semiconductor materials?
Silicon and germanium
Why is the doping process used on pure semiconductors?
Why is the doping process used on pure semiconductors?
To improve their electrical conductivity
Which elements are common dopants for creating N-type semiconductors?
Which elements are common dopants for creating N-type semiconductors?
Phosphorus or arsenic
Which elements are used to create P-type semiconductors?
Which elements are used to create P-type semiconductors?
Boron or aluminium
What do the extra electrons in N-type semiconductors act as?
What do the extra electrons in N-type semiconductors act as?
Mobile negative charge carriers
What are the three layers in a pin-type semiconductor structure?
What are the three layers in a pin-type semiconductor structure?
P-layer, I-layer, N-layer
What are pin-type semiconductors used in?
What are pin-type semiconductors used in?
Pin diodes, photodetectors, power transistors
Which materials are elementary semiconductors?
Which materials are elementary semiconductors?
Silicon and germanium
How are compound semiconductors different from elementary ones?
How are compound semiconductors different from elementary ones?
Made of two or more different elements
What is gallium arsenide widely used for?
What is gallium arsenide widely used for?
Radio and optoelectronic technologies
Which industry do silicon-based semiconductors dominate?
Which industry do silicon-based semiconductors dominate?
Computer industry