An AM signal is represented by x(t) = (20 + 4sin(500 t)) cos(2 t x 105 – McqOptions

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1.	An AM signal is represented by x(t) = (20 + 4sin(500 t)) cos(2 t x 10⁵)V. What is the modulation index?
A.	20
B.	4
C.	0.2
D.	10
Answer» D. 10

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