Which of the following four alternatives is not correct, We need modulation :-A. To increase th selectivityB. To reduce the time lag between transmission and reception of the information signalC. to reduce the size of antennaD. To reduce the fractional band width, that is the ration of the signal band width to the centre frequency

Which of the following four alternatives is not correct, We need modul

1.	Which of the following four alternatives is not correct, We need modulation :-A. To increase th selectivityB. To reduce the time lag between transmission and reception of the information signalC. to reduce the size of antennaD. To reduce the fractional band width, that is the ration of the signal band width to the centre frequency
Answer» Correct Answer - B

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