Physics · Control Systems

The root locus of a feedback control system having the characteristic equation s2 + 6Ks + 2s + 5 = 0, where K > 0, enters into the real axis at:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1s = -1
2s = -√5✓
3s = -5
4s = √5

Correct answer

s = -√5

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The root locus of a feedback control system having the characteristic equation s2 + 6Ks + 2s + 5 = 0, where K > 0, enters into the real axis at:

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