An AM wave is given by s(t)AM = 20 (1 + 0.5 cos 10³t + 0.3 cos 10⁴ – McqOptions

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1.	An AM wave is given by s(t)AM = 20 (1 + 0.5 cos 10³t + 0.3 cos 10⁴ t cos 10⁶ t) the modulation index of the envelope is
A.	0.5
B.	0.58
C.	0.3
D.	0.8
Answer» C. 0.3

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