

MCQOPTIONS
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1. |
The polar plot of a type-1, 3-pole, open-loop system is shown in figure. The closedloop system is |
A. | always stable |
B. | marginally stable |
C. | unstable with one pole on the right half s-plane |
D. | unstable with two poles on the right half s-plane |
Answer» D. unstable with two poles on the right half s-plane | |