1.

A system has poles at 0.01 Hz, 1 Hz and 80Hz, zeroes at 5Hz, 100Hz and 200Hz. The approximate phase of the system response at 20 Hz is :

A. -90°
B. 0°
C. 90°
D. -180°
Answer» B. 0¬¨¬®‚Äö√†√ª


Discussion

No Comment Found