A unity feedback system has an open loop transfer function- Gs - Ks2- Its root locus plot will be

G(s) H(s) = Ks^2 ∴ nbsp; nbsp; nbsp;P Z = 2 Centroid = 02 = 0 Angle of asymptotes = 90^0 , 270^0 ∴ nbsp; nbsp; Option (b) is correct. ...

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A unity feedback system has an open loop transfer function, $G (s) = \frac{K}{s^{2}} .$ Its root locus plot will be

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Solution

The correct option is B
$G (s) H (s) = \frac{K}{s^{2}}$

$∴ P - Z = 2$

$C e n t r o i d = \frac{0}{2} = 0$

$A n g l e o f a s y m p t o t e s = 90^{0}, 270^{0}$

$∴$ Option (b) is correct.

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A unity feedback system has an open loop transfer function, G(s)=Ks2. Its root locus plot will be

The correct option is B G(s)H(s)=Ks2 ∴P−Z=2 Centroid=02=0 Angle of asymptotes=900,2700 ∴ Option (b) is correct.

A unity feedback system has an open loop transfer function, $G (s) = \frac{K}{s^{2}} .$ Its root locus plot will be

The correct option is B
$G (s) H (s) = \frac{K}{s^{2}}$

$∴ P - Z = 2$

$C e n t r o i d = \frac{0}{2} = 0$

$A n g l e o f a s y m p t o t e s = 90^{0}, 270^{0}$

$∴$ Option (b) is correct.