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  4. 1000kHz carrier wave is amplitude modulated by the signal frequency 200-4000Hz . The channel width in this case is

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Q. $1000kHz$ carrier wave is amplitude modulated by the signal frequency $200-4000Hz$ . The channel width in this case is

NTA AbhyasNTA Abhyas 2022

Solution:

Bandwidth in communication System for carrier wave
Band width $=2\times f_{m}=8 \, kHz$