Sinusoidal signal x (t) = 4cos (200t + ( frac{ }{6} )) is passed thro – McqOptions

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1.	Sinusoidal signal x (t) = 4cos (200t + ( frac{ }{6} )) is passed through a square law device defined by the input output relation y (t) = x²(t). The DC component in the signal is _____________
A.	3.46
B.	4
C.	2.83
D.	8
Answer» E.

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