Stability Theory – 68

68. As the polar plot gets closer to the (-1 + j0) point, the stability of the system is :

(a) improved
(b) reduced
(c) not affected
(d) none of these

Answer

Answer : (b)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Stability Theory - 45
Stability Theory » Exercise - 145. Because of the addition of a zero to G(s)H(s), the stability of the system is : (a) improved (b) reduced (c) not affected (d) none of these
Tags: stability, theory, exercise, system, improved, reduced, electronics, engineering
Stability Theory - 55
Stability Theory » Exercise - 255. A polar plot crosses the real axis at (-1 + j0) point. The gain margin of the system is : (a) -1˚ (b) 0˚ (c) -180˚ (d) +180˚
Tags: stability, theory, exercise, polar, plot, point, system, electronics, engineering
Stability Theory - 2
Stability Theory » Exercise - 12. A unity feedback system has In the root-locus, the break-away point occurs between : (a) s = 0 and -1 (b) s = -1 and -∞ (c) s = -1 and -2 (d) s = -2 and -∞
Tags: stability, theory, exercise, system, point, electronics, engineering
Stability Theory - 47
Stability Theory » Exercise - 147. Because of the addition of pole to G(s)H(s), the stability of the system is : (a) improved (b) reduced (c) not affected (d) none of these
Tags: stability, theory, exercise, system, improved, reduced, electronics, engineering
Stability Theory - 30
Stability Theory » Exercise - 130. The characteristic equation 1 + G(s)H(s) = 0 of a system is given by s4 + 8s3 +12s2 +8s + K = 0 For the system to remain stable, the value of gain K should be : (a) zero (b) 0< K (c) >11 (d) positives
Tags: stability, theory, system, exercise, electronics, engineering

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