For the following root locus (with open loop poles at -1, -2 and-3), what are the coordinates of closed loop system poles for 20% overshoot? (a) -1.25 + 0.8) (b) -1+ 1.25/ (c) -0.86 + 1.69/ (d) -0.5 + 2.5/ 500 375 2 50 00 j -1. 25 -2 50 -a 75 -.0 00 Real 2.50

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m. For the following root locus (with open loop poles at -1, -2 and -3), what are the
coordinates of closed loop system poles for 20% overshoot?
(a) -1.25 + 0.8/
(b) -1+1.25/
(c) -0.86 + 1.69j
(d) -0.5 + 2.5/
5.00
375
2.50
125
00 j
-1 25
-2 50
-3 75
-3.00
<-2.0
2.50
-5.00
5.00
Real
n What is the gain (K) value coresponding to those poles providing 20% overshoot in the
previous problem?
(a) 6.342
(b) 9.398
(c) 7.301
(d) 3.221
Transcribed Image Text:m. For the following root locus (with open loop poles at -1, -2 and -3), what are the coordinates of closed loop system poles for 20% overshoot? (a) -1.25 + 0.8/ (b) -1+1.25/ (c) -0.86 + 1.69j (d) -0.5 + 2.5/ 5.00 375 2.50 125 00 j -1 25 -2 50 -3 75 -3.00 <-2.0 2.50 -5.00 5.00 Real n What is the gain (K) value coresponding to those poles providing 20% overshoot in the previous problem? (a) 6.342 (b) 9.398 (c) 7.301 (d) 3.221
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