1.

The frequency response curve (as shown in figure below) for the filter circuit used for production of AMwave should be

Answer»

i followed by II
ii followd by i
iii
all of these

Solution :BANDWIDTH of AM wave should be
`2omega_(m)=(omega_(C)+omega_(m))-(omega_(c)-omega_(m))`
it is applicable for case (i),(ii) and (iii)
The (iv) will reject the REQUIRED SIGNAL for AM waves.


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