Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 9 (Q.No. 16)
16.
If damping ratio is 0.5, the lines joining complex poles with origin are inclined to negative real axis at
± 90°
± 60°
± 45°
± 30°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

DADDY said:   4 weeks ago
Zeta(E) = Cos(φ)
so, cos(x) = 0.5 is at ±60.

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