Discussion
Home ‣ Electronics ‣ Alternating Current vs Direct Current Comments
- Question
Which percentages of full-amplitude rise time are used for a pulse wave?
Options- A. 0 to 50 percent
- B. 0 to 100 percent
- C. 5 to 95 percent
- D. 10 to 90 percent
- Correct Answer
- 10 to 90 percent
- 1. What does the CRT oscilloscope display?
Options- A. voltage and period
- B. current and frequency
- C. rms voltage and current
- D. frequency and voltage Discuss
- 2. The power that is distributed from a power plant to your home is:
Options- A. high voltage to high voltage
- B. low voltage to high voltage
- C. high voltage to low voltage
- D. low voltage to low voltage Discuss
- 3. What voltage will an ac voltmeter display?
Options- A. rms
- B. average
- C. peak
- D. peak-to-peak Discuss
- 4. The magnitude that an alternation varies from zero is called its:
Options- A. altitude
- B. amplitude
- C. attitude
- D. polarity Discuss
- 5. What is the peak value of a household appliance that uses a 230 V ac source?
Options- A. 163 V
- B. 230 V
- C. 325 V
- D. 480 V Discuss
- 6. What is the waveform period of a square wave signal that horizontally covers 3 major divisions per cycle? (time/cm = 50 ms)
Options- A. 50 ms
- B. 100 ms
- C. 150 ms
- D. 200 ms Discuss
- 7. A sine wave reaches maximum positive voltage at:
Options- A. 90°
- B. 0°
- C. ?90°
- D. 360° Discuss
- 8. How long would it take to transmit an electromagnetic wave to a receiving antenna 1,000 miles away?
Options- A. 5.38 ms
- B. 10.8 ms
- C. 53.8 ms
- D. 108 ms Discuss
- 9. What is the period of a 16 MHz sine wave?
Options- A. 196 ns
- B. 62.5 ns
- C. 31.25 ns
- D. 19.9 ns Discuss
- 10. What is the peak-to peak voltage of a 56 Vrms ac voltage?
Options- A. 158 V
- B. 164 V
- C. 82 V
- D. 79 V Discuss
Alternating Current vs Direct Current problems
Search Results
Correct Answer: voltage and period
Correct Answer: high voltage to low voltage
Correct Answer: rms
Correct Answer: amplitude
Correct Answer: 325 V
Correct Answer: 150 ms
Correct Answer: 90°
Correct Answer: 5.38 ms
Correct Answer: 62.5 ns
Correct Answer: 158 V
Comments
There are no comments.More in Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.