Podcast
Questions and Answers
What is the basis of diodes, transistors, and most modern electronics?
What is the basis of diodes, transistors, and most modern electronics?
- The introduction of impurities into the crystal structure
- The conductivity value of semiconductors
- The temperature-dependent resistivity of semiconductors
- The behavior of charge carriers at semiconductor junctions (correct)
Which material is the second-most common semiconductor after silicon?
Which material is the second-most common semiconductor after silicon?
- Gallium arsenide (correct)
- Gallium nitride
- Germanium
- Silicon carbide
What property allows semiconductor devices to be used for amplification, switching, and energy conversion?
What property allows semiconductor devices to be used for amplification, switching, and energy conversion?
- High sensitivity to light or heat
- Passing current more easily in one direction than the other
- Modifiability of electrical properties by doping and electrical fields (correct)
- Variable resistance
What is the effect of temperature on the resistivity of semiconductors?
What is the effect of temperature on the resistivity of semiconductors?
What is the purpose of introducing impurities into the crystal structure of a semiconductor?
What is the purpose of introducing impurities into the crystal structure of a semiconductor?