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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 Question 2

For a discrete-time signal x(n), the z-transform obtained is: 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)?

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.

Question 7

The inverse z-transform of X(z) = is

(where x(n) is right sided signal)

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