Choose the correct statement for amplitude modulation.
- AAmplitude of modulating is varied in accordance with the information signal.
- BAmplitude of modulated is varied in accordance with the information signal.
- CAmplitude of carrier signal is varied in accordance with the information signal.
- DAmplitude of modulated is varied in accordance with the modulating signal.
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DifficultJEE MAIN 2019
View SolutionIn short wave communication, waves of which of the following frequencies will be reflected back by the ionospheric layer having an electron density of $10^{11} \text{ per } m^3$ (in $\text{ MHz}$)?
MediumAIIMS 2003
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