1.

In an amplitude modulation with modulation index 0.5 the ratio of the carrier wave to that of side band in the modulated wave is

Answer»

`4:1`
`1:4`
`1:3`
`2:1`

Solution :Here, modulation index `mu=0.5`
Amplitude of the carrier wave `=A_(c)`
Amplitude of the SIDE band `=mu(A_(c))/(2)`
Their ratio `=(2)/(mu)=(2)/(0.5)=(4)/(1)`


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