Answer / sanjay kanzariya

In case of Amplitude modulation amplitude of the modulating(information) signal is varies according to carrier(high frequency) signal .

In case of frequency modulation frequency of the modulating(information) signal is varies according to carrier (high frequency) signal .

Answer / lamin andrews

Amplitude of carrier signal is varied as per the change in amplitude of modulating signal in AM.
Frequency of carrier signal is varied as per the change in amplitude of modulating signal in FM.

Answer / bhavana

AM : amplitude of the carrier signal is varied according to the message or modulating signal.

FM : frequency of the carrier signal is varied according to the message or modulating signal

Answer / bhupinder kumar

yes

Answer / amit kumar pandey

In AM the amplitude of the carrier signal varies with respect to the amplitude of the modulating (information )signal,while in case of FM the frequency of the carrier signal varies with respect to the modulating(information) signal.

Answer / sunil

in am modulation the amplitude of carrier wave will varies and accordance with modulating signal but don't change in information

in fm modulation the frequency of carrier wave will varies and accordance with modulating signal but don't change in information


am is the lower cost than fm

Answer / guest

in amplitude modulation the amplitude of the modulated
signal os varied in accordance of the carrier signal,
whereas in frequency modulation frequency is varied

Answer / ramya

in AM the amplitude of the information single is varied in accordance with the frequency of the carrier signal, in FM the frequency of the information signal is varied in accordance with the carrier of the  amplitude signal.

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sir, please send me RRB Question papers for Section engineer Signal..

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