Due to an addition of pole at origin, the polar plot gets shifted by ___ at ω = 0 ?
A. -45°
B. -60°
C. -90°
D. -180°
Answer:C
Due to an addition of pole at origin, the polar plot gets shifted by ___ at ω = 0 ?
A. -45° B. -60° C. -90° D. -180°
Explanation: Addition of pole causes instability to the system.