Test Preparation on Electromagnetic Wave and Communication-I-Physics Test Series IIT JEE-2020

1In amplitude modulation the frequency of high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal
2In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal
3In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the frequency of the audio signal
4In amplitude modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal


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