A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is________?
A45°
B-180°
C-90°
Correct answer
A. 45°
Explanation
The correct answer is 45°.
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is________? - Answer and Explanation | Academy of Pakistan