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السؤال 230

What is the RMS voltage of a sine wave with a value of 17 volts peak?

  1. 8.5 volts
  2. 12 voltsالإجابة الصحيحة
  3. 24 volts
  4. 34 volts

الشرح

RMS is the peak value divided by the square root of two: 17 / 1.414 = 12.0 volts. The 8.5-volt distractor is simply half the peak, which is not the RMS relationship.

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السؤال 230: What is the RMS voltage of a sine wave with a value of 17… · FCC General Class (Element 3) · Questena