Explore topic-wise MCQs in Control Systems.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Assertion (A): The stability of the system is assured if the ROC includes the unit circle in z-plane.
Reason (R): For a causal stable system all the poles should be outside the unit circle in the z-plane.

A. tBoth A and R are true and R is the correct explanation of A
B. tBoth A and R are true bit R is NOT the correct explanation of A
C. tA is true but R is false
D. tA is false but R is true
Answer» D. tA is false but R is true
Discussion
2.

If X(z) =(z+z-3)/(z+z-1), then x(n) series has:

A. tAlternate 0s
B. tAlternate 1s
C. tAlternate 2s
D. tAlternate -1s
Answer» B. tAlternate 1s
Discussion
3.

Assertion (A): An LTI discrete system represented by the difference equation. y (n+2)-5y(n+1)+6y(n) =x(n) is unstable.
Reason (R): A system is unstable if the roots of the characteristic equation lie outside the unit circle.

A. tBoth A and R are true and R is the correct explanation of A
B. tBoth A and R are true but R is NOT the correct explanation of A
C. tA is true but R is false
D. tA is false but R is false
Answer» B. tBoth A and R are true but R is NOT the correct explanation of A
Discussion