(Solved): Which of the following modulation schemes requires the smallest transmission bandwidth for the same ...

Which of the following modulation schemes requires the smallest transmission bandwidth for the same message signal with peak value 1 Volt? A. FM with $\mathrm{kf}=5000$ 8. $FM$ with $\mathrm{kf}=1000$ c. $FM$ with $\mathrm{kf}=2000$ D. Large Carrier $\mathrm{AM}$ with $\mathrm{ka}=0.5$ E Single Sideband AM For a given message signal $\mathrm{m}(\mathrm{t})$, Vestigial Sideband $AM$ has a transmission bandwidth which is A. the same as Double Sideband Large Carrier AM B. the same as Narrowband FM c. greater than Single Sideband AM D. greater than Narrowband FM E. greater than Double Sideband Suppressed Carrier AM