Physics · Control Systems
For a control system whose characteristic equation is given by s3 + 3s2 + 2s + 4 = 0, at what frequency does its polar plot intersect the negative imaginary axis?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ω = √2 rad/s
- 2ω = √3 rad/s✓
- 3ω = 2 rad/s
- 4ω = 3 rad/s
Correct answer
ω = √3 rad/s
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