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A unity feedback system has an open loop transfer function, G(s) = K/s>sup>2. The root locus plot is—
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- Fig:- A
- Fig:- B
- Fig:- C
- Fig:- D
- Fig:- A
Correct Option: B
G(s) = K/s2
Angle of asymptote,
| φA = | |
| 2 – 0 |
where, q = 0, 1
when q = 0
φA = 90°
and when q = 1, φA = 270°
Hence root locus given in option (B) correct choice.
