Discussion
Home ‣ Electronics ‣ Semiconductor Principles See What Others Are Saying!
- Question
What causes the depletion region?
Options- A. doping
- B. diffusion
- C. barrier potential
- D. ions
- Correct Answer
- diffusion
- 1. An emitter-follower has a voltage gain that is __________.
Options- A. much less than one
- B. approximately equal to one
- C. greater than one
- D. zero Discuss
- 2. The ________ is the "brains" of every microcomputer.
Options- A. ROM
- B. ALU
- C. CPU
- D. MPU Discuss
- 3. An input to the mode pin of an arithmetic-logic unit (ALU) determines if the function will be _________.
Options- A. one's complemented
- B. positive or negative
- C. with or without carry
- D. arithmetic or logic Discuss
- 4. The output of a NAND gate is the same as the inverted output of an AND gate.
Options- A. True
- B. False Discuss
- 5. How many basic binary subtraction combinations are possible?
Options- A. 4
- B. 3
- C. 2
- D. 1 Discuss
- 6. What causes the piezoelectric effect?
Options- A. heat or dissimilar metals
- B. pressure on a crystal
- C. water running on iron
- D. a magnetic field Discuss
- 7. 64 hexadecimal equals 100 decimal.
Options- A. True
- B. False Discuss
- 8. The negative and positive charge symbols are assigned (in that order) to the:
Options- A. proton and electron
- B. electron and proton
- C. atom and nucleus
- D. electron and element Discuss
- 9. Above the critical frequency (fc) of a low-pass filter, the output voltage gain _______.
Options- A. does not change
- B. doubles for every 1 kHz increase in frequency
- C. increases
- D. decreases Discuss
- 10.
The total power in the given circuit is ___.
Options- A. 4.8 mW
- B. 18 mW
- C. 7.2 mW
- D. 30 mW Discuss
More questions
Correct Answer: approximately equal to one
Correct Answer: CPU
Correct Answer: arithmetic or logic
Correct Answer: True
Correct Answer: 4
Correct Answer: pressure on a crystal
Correct Answer: True
Correct Answer: electron and proton
Correct Answer: decreases
Correct Answer: 30 mW
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