Discussion
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- Question
Minority carriers are many times activated by:
Options- A. heat
- B. pressure
- C. dopants
- D. forward bias
- Correct Answer
- heat
- 1. If conductance increases as temperature increases, this is known as a:
Options- A. positive coefficient
- B. negative current flow
- C. negative coefficient
- D. positive resistance Discuss
- 2. What is an energy gap?
Options- A. the space between two orbital shells
- B. the energy equal to the energy acquired by an electron passing a 1 V electric field
- C. the energy band in which electrons can move freely
- D. an energy level at which an electron can exist Discuss
- 3. What is the voltage across R1 if the P-N junction is made of silicon?
Options- A. 12 V
- B. 11.7 V
- C. 11.3 V
- D. 0 V Discuss
- 4. Which material may also be considered a semiconductor element?
Options- A. carbon
- B. ceramic
- C. mica
- D. argon Discuss
- 5. Silicon atoms combine into an orderly pattern called a:
Options- A. covalent bond
- B. crystal
- C. semiconductor
- D. valence orbit Discuss
- 6. Forward bias of a silicon P-N junction will produce a barrier voltage of approximately how many volts?
Options- A. 0.2
- B. 0.3
- C. 0.7
- D. 0.8 Discuss
- 7. A commonly used pentavalent material is:
Options- A. arsenic
- B. boron
- C. gallium
- D. neon Discuss
- 8. What is a type of doping material?
Options- A. extrinsic semiconductor material
- B. pentavalent material
- C. n-type semiconductor
- D. majority carriers Discuss
- 9. In "n" type material, majority carriers would be:
Options- A. holes
- B. dopants
- C. slower
- D. electrons Discuss
- 10. 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
Semiconductor Principles problems
Search Results
Correct Answer: negative coefficient
Explanation:
A negative temperature coefficient (NTC) occurs when the thermal conductivity of a material rises with increasing temperature, typically in a defined temperature range.
Note: The reciprocal of electrical Resistance is called Conductance.
Correct Answer: the space between two orbital shells
Correct Answer: 11.3 V
Correct Answer: carbon
Correct Answer: crystal
Correct Answer: 0.7
Correct Answer: arsenic
Correct Answer: pentavalent material
Correct Answer: electrons
Correct Answer: the point at which two opposite doped materials come together
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