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If Amin = 40 and Amax = 60, what is the percentage of modulation?

Correct answer: A. 20 %

  • A. 20 %
  • B. 40 %
  • C. 50 %
  • D. 10 %

Explanation

Using m = (Amax − Amin)/(Amax + Amin), m = (60 − 40)/(60 + 40) = 0.20. Therefore the percentage modulation is 20%, not 40% or 50%.

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