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25.
The Nyquist plot of a system over frequency range 0 too is shown in
figure. The open loop transfer function has one pole in the right half s-
plane. The range of k-value for closed loop system stability is
1 (m)
-0.2k
-k
0 =
-180°
0°(Re)
0=0
0.05k
h
A)
k>1
B) k> 5
c) 5<k< 20
D)
1 <k < 5
Correct Answer: B
Your Answer: D
Marks: 2 / 0.66 (-Ve)


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