MCQOPTIONS
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MCQOPTIONS
| 1. |
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______________? |
| A. | 45° |
| B. | -90° |
| C. | -180° |
| D. | -45° |
| Answer» E. | |