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In aptitude modulation, (1) Amplitude of the low frequency carrier signal is varied in accordance with the high frequency message signal(2) Amplitude of the high frequency carrier signal is varied in accordance with the low frequency message signal(3) Amplitude of the low frequency carrier signal is varied in accordance with the high frequency carrier signal(4) Amplitude of the high frequency carrier signal is varied in accordance with the low frequency carrier signal |
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Answer» Correct option: (2) Amplitude of the high frequency carrier signal is varied in accordance with the low frequency message signal Explanation : We need a high frequency carrier wave for effective transmission of low frequency message signals in amplitude modulation, it is the amplitude of the high frequency carriers wave that is varied in accordance with the low frequency message signal. |
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