Discussion
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- Question
Providing a constant output regardless of ac input or load resistance changes is the function of a:
Options- A. transformer
- B. filter
- C. regulator
- D. rectifier
- Correct Answer
- regulator
- 1. How many basic binary subtraction combinations are possible?
Options- A. 4
- B. 3
- C. 2
- D. 1 Discuss
- 2. 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
- 3. 64 hexadecimal equals 100 decimal.
Options- A. True
- B. False Discuss
- 4. 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
- 5. 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
- 6.
The total power in the given circuit is ___.
Options- A. 4.8 mW
- B. 18 mW
- C. 7.2 mW
- D. 30 mW Discuss
- 7. Inductance is proportional to the cross-sectional area of a coil.
Options- A. True
- B. False Discuss
- 8. End around carry is an operation in 1's complement subtraction where a 1 is added to the sum of the 1's complement of both numbers.
Options- A. True
- B. False Discuss
- 9. A circuit that uses an amplifier with passive filter elements is called a(n):
Options- A. relaxation oscillator
- B. signal generator
- C. differential amplifier
- D. active filter Discuss
- 10. A wire with a smaller cross-sectional area will produce:
Options- A. less heat
- B. more conductance
- C. less resistance
- D. more heat Discuss
More questions
Correct Answer: 4
Correct Answer: pressure on a crystal
Correct Answer: True
Correct Answer: electron and proton
Correct Answer: decreases
Correct Answer: 30 mW
Correct Answer: True
Correct Answer: False
Correct Answer: active filter
Correct Answer: more heat
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