Phase lag of the frequency response of a second order system to a sinu – McqOptions

MCQOPTIONS

1.	Phase lag of the frequency response of a second order system to a sinusoidal forcing function
A.	is 30¬∞
B.	is 90¬∞ at the most
C.	approaches 180¬∞ asymptotically
D.	is 120¬∞
Answer» D. is 120¬∞

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