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The maximum amplitude of an A.M. wave is found to be 15 V while its minimum amplitude is found to be 3 V. What is the modulation index?
Answers (1)
The change in the ratio of the amplitude of the carrier wave to the amplitude of the original carrier wave is defined as the modulation index.
The given maximum amplitude of the AM wave is
The given minimum amplitude of the AM wave is
Thus, the modulation index, m, would be
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