Semiconductor Principles problems
- 1. How many valence electrons are in every semiconductor material?
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
Correct Answer: 4
- 2. Elements with 1, 2, or 3 valence electrons usually make excellent:
Options- A. conductors
- B. semiconductors
- C. insulators
- D. neutral Discuss
Correct Answer: conductors
- 3. When and who discovered that more than one transistor could be constructed on a single piece of semiconductor material:
Options- A. 1949, William Schockley
- B. 1955, Walter Bratten
- C. 1959, Robert Noyce
- D. 1960, John Bardeen Discuss
Correct Answer: 1959, Robert Noyce
- 4. Solid state devices were first manufactured during:
Options- A. World War 2
- B. 1904
- C. 1907
- D. 1960 Discuss
Correct Answer: 1960
- 5. What causes the depletion region?
Options- A. doping
- B. diffusion
- C. barrier potential
- D. ions Discuss
Correct Answer: diffusion
- 6. Electron pair bonding occurs when atoms:
Options- A. lack electrons
- B. share holes
- C. lack holes
- D. share electrons Discuss
Correct Answer: share electrons
- 7. What is the most significant development in electronics since World War II?
Options- A. the development of color TV
- B. the development of the diode
- C. the development of the transistor
- D. the development of the TRIAC Discuss
Correct Answer: the development of the transistor
- 8. The natural elements carbon, germanium, and silicon are semiconductors.
Options- A. True
- B. False Discuss
Correct Answer: True
- 9. The first integrated circuit was invented in 1959.
Options- A. True
- B. False Discuss
Correct Answer: True
- 10. When a voltage is placed across a semiconductor, free electrons move toward the negative voltage.
Options- A. True
- B. False Discuss
Correct Answer: False
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