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MCQs

Total Questions : 199 | Page 20 of 20 pages
Question 191.  All periodic frequencies are derived by combining higher frequency ______________ called harmonics.
  1.    sine waves
  2.    pulse waves
  3.    square waves
  4.    sawtooth waves
 Discuss Question
Answer: Option A. -> sine waves
Question 192. . An rms voltage of 5 V is equivalent to ___.
  1.    14.14 V peak-to-peak
  2.    a peak value of 5 V
  3.    10 V peak-to-peak
  4.    an average value of 7.07 V
 Discuss Question
Answer: Option A. -> 14.14 V peak-to-peak
Question 193. . If a sine wave's frequency equals 25 MHz, its period equals _____.
  1.    25 µs
  2.    25 ms
  3.    4 µs
  4.    40 ns
 Discuss Question
Answer: Option D. -> 40 ns
Question 194. . The magnitude of an alternation that varies from zero is called its _______.
  1.    altitude
  2.    polarity
  3.    attitude
  4.    amplitude
 Discuss Question
Answer: Option D. -> amplitude
Question 195. . A peak current of 12.5 mA is equivalent to ___.
  1.    an rms value of 25 mA
  2.    an average value of 12.5 mA
  3.    a peak-to-peak value of 6.25 mA
  4.    an average value of 7.96 mA
 Discuss Question
Answer: Option D. -> an average value of 7.96 mA
Question 196. . An rms voltage of 5 V is equivalent to ___.
  1.    14.14 V peak-to-peak
  2.    a peak value of 5 V
  3.    10 V peak-to-peak
  4.    an average value of 7.07 V
 Discuss Question
Answer: Option A. -> 14.14 V peak-to-peak
Question 197. . All periodic frequencies are derived by combining higher frequency ______________ called harmonics.
  1.    sine waves
  2.    pulse waves
  3.    square waves
  4.    sawtooth waves
 Discuss Question
Answer: Option A. -> sine waves
Question 198. . An rms voltage of 5 V is equivalent to ___.
  1.    14.14 V peak-to-peak
  2.    a peak value of 5 V
  3.    10 V peak-to-peak
  4.    an average value of 7.07 V
 Discuss Question
Answer: Option A. -> 14.14 V peak-to-peak
Question 199. . All periodic frequencies are derived by combining higher frequency ______________ called harmonics.
  1.    sine waves
  2.    pulse waves
  3.    square waves
  4.    sawtooth waves
 Discuss Question
Answer: Option A. -> sine waves

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