Calculate the minimum sampling rate to avoid aliasing when a continuous time signal is given by x(t) = 5 cos 400 t

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1.	Calculate the minimum sampling rate to avoid aliasing when a continuous time signal is given by x(t) = 5 cos 400 t
A.	100 Hz
B.	200 Hz
C.	400 Hz
D.	250 Hz
Answer» D. 250 Hz

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