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Z Transform Achievers Practice Quiz -1
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Question 1
Let x[n] be discrete time signal whose z – transform is represented by X (z). The z – transform of the signal
![](https://gradeup-question-images.grdp.co/liveData/PROJ5488/1497521183471372.png)
Question 2
For a discrete-time signal x(n), the z-transform obtained is:
Determine the z-transform of x(−n).
![](https://gradeup-question-images.grdp.co/liveData/PROJ5019/1497606659906766.png)
Determine the z-transform of x(−n).
Question 3Multiple Correct Options
The region of convergence and z-transform of a signal will be.
x[n] = (2)n u[n] – (4)–n u(–n – 1)
Question 4
Given
, what will be the time domain signal equivalent to
where X(z) is the z-transform of x(n)?
![](https://gradeup-question-images.grdp.co/liveData/PROJ3690/1492672982891238.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ3690/1492672983675263.png)
Question 5
What will be the value of x(2), if X(z) is the z-transform of x[n] and ROC is |z| > 1/5.
Question 6
The Z-transform of a signal is given as
Then what will be the Z transform of the signal
where * denotes convolution.
![](https://gradeup-question-images.grdp.co/liveData/PROJ17695/1531222268131611.png)
![](https://gradeup-question-images.grdp.co/liveData/PROJ17695/1531222268838898.png)
Question 7
The inverse z-transform of X(z) =
is
![](https://gradeup-question-images.grdp.co/liveData/PROJ47780/1587212618251626.png)
(where x(n) is right sided signal)
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Sep 28ESE & GATE EC