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سؤال 235

What is the output PEP of 500 volts peak-to-peak across a 50-ohm load?

  1. 8.75 watts
  2. 625 wattsپاسخ درست
  3. 2500 watts
  4. 5000 watts

توضیح

500 V peak-to-peak is 250 V peak, which is 176.8 V RMS, and 176.8² / 50 = 625 watts. The 2500-watt distractor comes from using peak volts, and 5000 watts from using peak-to-peak volts, in the power formula.

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شروع تمرین
سؤال 235: What is the output PEP of 500 volts peak-to-peak across a… · FCC General Class (Element 3) · Questena