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MCQs

Total Questions : 199 | Page 2 of 20 pages
Question 11. A 1 khz signal has a period of 1 ms.
  1.     True
  2.     False
  3.     10.60 V
  4.     5.93 V
 Discuss Question
Answer: Option A. ->  True
Question 12. If the peak of a sine wave is 13 v, the peak-to-peak value is
  1.     6.5 V
  2.     13 V
  3.     26 V
  4.     None of the above
 Discuss Question
Answer: Option C. ->  26 V
Question 13. The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. the frequency of the induced output voltage is
  1.     40 Hz
  2.     100 Hz
  3.     400 Hz
  4.     Indeterminable
 Discuss Question
Answer: Option C. ->  400 Hz
Question 14. A saw-tooth wave has a period of 10 ms. its frequency is
  1.     10 Hz
  2.     50 Hz
  3.     100 Hz
  4.     1,000 Hz
 Discuss Question
Answer: Option C. ->  100 Hz
Question 15. A square wave has a period of 60 µs. the first odd harmonic is
  1.     5 kHz
  2.     50 kHz
  3.     500 kHz
  4.     33.33 kHz
 Discuss Question
Answer: Option B. ->  50 kHz
Question 16. Periodic is characterized by a repetition at fixed time intervals.
  1.     True
  2.     False
  3.     500 kHz
  4.     33.33 kHz
 Discuss Question
Answer: Option A. ->  True
Question 17. The average value of a 12 v peak sine wave over one complete cycle is
  1.     0 V
  2.     1.27 V
  3.     7.64 V
  4.     6.37 V
 Discuss Question
Answer: Option A. ->  0 V
Question 18. The unit of frequency is the hertz.
  1.     True
  2.     False
  3.     10 mA
  4.     1 mA
 Discuss Question
Answer: Option A. ->  True
Question 19. How many degrees are there in p/3 rad?
  1.     6°
  2.     60°
  3.     180°
  4.     27°
 Discuss Question
Answer: Option B. ->  60°
Question 20. The duty cycle of a pulse waveform with a pulse width of 10 µs and a period of 100 µs is 25%.
  1.     True
  2.     False
 Discuss Question
Answer: Option B. ->  False

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