Explore topic-wise MCQs in Control Systems.

This section includes 4 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 z-transform of the output of the sampler is given by the series.
Reason (R): The relationship is the result of the application of z = e-sT, where T stands for the time gap between the samples.

A. tBoth A and R are true and R is correct explanation of A
B. tBoth A and R are true but R is not 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
2.

Assertion (A): The discrete time system described by y[n] =2x[n] +4x[n-1] is unstable
Reason (R): It has an impulse response with a finite number of non-zero samples

A. t Both A and R are true and R is correct explanation of A
B. tBoth A and R are true but R is not correct explanation of A
C. tA is true but R is false
D. tA is false but R is true
Answer» E.
3.

Assertion (A): The signals anu(n) and anu(-n-1) have the same Z transform, z/(z-a)
Reason (R): the region of convergence of anu(n) is |z|>|a|, whereas the ROC for anu(-n-1) is |z|<|a|.

A. tBoth A and R are true and R is correct explanation of A
B. tBoth A and R are true but R is not correct explanation of A
C. tA is true but R is false
D. tA is false but R is true
Answer» E.
4.

The minimum number of delay elements required realizing a digital filter with transfer function
H (z) =

A. t2
B. t3
C. t4
D. t5
Answer» C. t4