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- Help me please, Choose the correct statement :
Choose the correct statement :
- Option 1)
In amplitude modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
- Option 2)
In amplitude modulation the frequency of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal
- Option 3)
In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
- Option 4)
In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the frequency of the audio signal
Answers (1)
As we learnt in
Amplitude Modulation -
The amplitude of modulated wave is varied in accordance with the amplitude of modulating wave.
- wherein
In amplitude modulation, the amplitude of the high frequency carrier wave made to vary in proportional to the amplitude of audio signal.
Correct option is . 1
Option 1)
In amplitude modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
This is the correct option.
Option 2)
In amplitude modulation the frequency of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal
This is an incorrect option.
Option 3)
In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the amplitude of the audio signal.
This is an incorrect option.
Option 4)
In frequency modulation the amplitude of the high frequency carrier wave is made to vary in proportion to the frequency of the audio signal
This is an incorrect option.
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