# F.M., A.M. and S.S.B. transmitters

### Explanation of question 11

Fig. 18.3 represents the envelope of an amplitude-modulated carrier wave. It is

1. fully modulated
2. 25% modulated
3. 50% modulated
4. 200% modulated

The answer is :- 1 Fig. 18.3 shows 100% modulation, i.e. the carrier wave is at the point of breaking up.

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