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Electronics
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Semiconductor Principles
Comments
Question
Elements with 1, 2, or 3 valence electrons usually make excellent:
Options
A. conductors
B. semiconductors
C. insulators
D. neutral
Correct Answer
conductors
Semiconductor Principles problems
Search Results
1. How many valence electrons are in every semiconductor material?
Options
A. 1
B. 2
C. 3
D. 4
Show Answer
Scratch Pad
Discuss
Correct Answer: 4
2. What can a semiconductor sense?
Options
A. magnetism
B. temperature
C. pressure
D. all of the above
Show Answer
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Discuss
Correct Answer: all of the above
3. 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
Show Answer
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Discuss
Correct Answer: conductivity
4. 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
Show Answer
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Discuss
Correct Answer: has a low junction resistance
5. Intrinsic semiconductor material is characterized by a valence shell of how many electrons?
Options
A. 1
B. 2
C. 4
D. 6
Show Answer
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Discuss
Correct Answer: 4
6. 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
Show Answer
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Discuss
Correct Answer: 1959, Robert Noyce
7. Solid state devices were first manufactured during:
Options
A. World War 2
B. 1904
C. 1907
D. 1960
Show Answer
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Discuss
Correct Answer: 1960
8. What causes the depletion region?
Options
A. doping
B. diffusion
C. barrier potential
D. ions
Show Answer
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Discuss
Correct Answer: diffusion
9. Electron pair bonding occurs when atoms:
Options
A. lack electrons
B. share holes
C. lack holes
D. share electrons
Show Answer
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Discuss
Correct Answer: share electrons
10. 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
Show Answer
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Discuss
Correct Answer: the development of the transistor
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