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The forward transfer function of a ufb system is The system will be
Consider the characteristic equation of a control system given by s^{3} + (K + 0.5)s^{2} + 4Ks + 50 = 0. Find the value of the frequency if the system has sustained oscillations for a given K.
Determine the stability range of k for a feedback control system having characteristic equation 
s^{4} + 2s^{3} + 10s^{2} + (k − 10)s + k = 0
Find the number of poles in the righthalf plane (RHP) for the system as shown. Is the system stable?
In the formation of RouthHurwitz array for a polynomial, all the elements of a row have zero values. This premature termination of the array indicates the presence of
Which of the above statements are correct?
Which of the following is the correct comment on stability based on unknown k for the feedback system with characteristic s^{4} + 2ks^{3} + s^{2 }+ 5s + 5 = 0?
Which one of the following options correctly describes the locations of the roots of the equation s^{4} + s^{2} + 1 = 0 on the complex plane?
The number of roots of s^{3} + 5s^{2} + 7s + 3 = 0 in the left half of the splane is
Consider the characteristic equation of a control system given by s^{3} + (K + 0.5)s^{2} + 4Ks + 50 = 0. Find the value of K for the system to have sustained oscillations.
How many roots of characteristic equation P(s) = s^{4} + s^{3} + 2s^{2} + 2s + 3 have (+)ve real part?
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Test: State Space Analysis Test  10 ques 