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- Question
How many valence electrons are in every semiconductor material?
Options- A. 1
- B. 2
- C. 3
- D. 4
- Correct Answer
- 4
- 1. What can a semiconductor sense?
Options- A. magnetism
- B. temperature
- C. pressure
- D. all of the above Discuss
- 2. What electrical characteristic of intrinsic semiconductor material is controlled by the addition of impurities?
Options- A. conductivity
- B. resistance
- C. power
- D. all of the above Discuss
- 3. A P-N junction mimics a closed switch when it:
Options- A. has a low junction resistance
- B. is reverse biased
- C. cannot overcome its barrier voltage
- D. has a wide depletion region Discuss
- 4. Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
Options- A. 1
- B. 2
- C. 4
- D. 6 Discuss
- 5. When is a P-N junction formed?
Options- A. in a depletion region
- B. in a large reverse biased region
- C. the point at which two opposite doped materials come together
- D. whenever there is a forward voltage drop Discuss
- 6. Elements with 1, 2, or 3 valence electrons usually make excellent:
Options- A. conductors
- B. semiconductors
- C. insulators
- D. neutral Discuss
- 7. 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
- 8. Solid state devices were first manufactured during:
Options- A. World War 2
- B. 1904
- C. 1907
- D. 1960 Discuss
- 9. What causes the depletion region?
Options- A. doping
- B. diffusion
- C. barrier potential
- D. ions Discuss
- 10. Electron pair bonding occurs when atoms:
Options- A. lack electrons
- B. share holes
- C. lack holes
- D. share electrons Discuss
Semiconductor Principles problems
Search Results
Correct Answer: all of the above
Correct Answer: conductivity
Correct Answer: has a low junction resistance
Correct Answer: 4
Correct Answer: the point at which two opposite doped materials come together
Correct Answer: conductors
Correct Answer: 1959, Robert Noyce
Correct Answer: 1960
Correct Answer: diffusion
Correct Answer: share electrons
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