UGC NET CSE | June 2011 | Part 2 | Question: 28

Question

Consider the following statement :

(i) The bandwidth of the A.M., wave depends on the band width of the modulating signal.

(ii) The bandwidth of the A.M., wave depends on the modulation index.

(iii) The bandwidth of the F.M, wave for all practical purpose depends on the amplitude of the carrier.

Of these statements the correct statements are

• A. (i, ii)
• B. (i, iii)
• C. (ii, iii)
• D. All of the above

Answer 1

Ans: B

ref: https://books.google.co.in/books?id=vx-30n1eFVMC&pg=PA669&lpg=PA669&dq=The+bandwidth+of+the+F.M,+wave+for+all+practical+purpose+depends+on+the+amplitude+of+the+carrier&source=bl&ots=6Fgx00rY9k&sig=Zp0MascOegAgYiUyYYSLZvXrlsI&hl=en&sa=X&ved=0ahUKEwiam5uCxaLWAhXCOo8KHZoZD9QQ6AEILTAC

https://books.google.co.in/books?id=ZIMkjLgLcwoC&pg=PA388&lpg=PA388&dq=The+bandwidth+of+the+F.M,+wave+for+all+practical+purpose+depends+on+the+amplitude+of+the+carrier&source=bl&ots=xWyvMCNJ7T&sig=82vXdtMak7gVyjYXNPV_BsvgMsY&hl=en&sa=X&ved=0ahUKEwiam5uCxaLWAhXCOo8KHZoZD9QQ6AEIMTAD