Test: Z-Transform - 2

# Test: Z-Transform - 2

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## 10 Questions MCQ Test Signals and Systems | Test: Z-Transform - 2

Test: Z-Transform - 2 for Electronics and Communication Engineering (ECE) 2022 is part of Signals and Systems preparation. The Test: Z-Transform - 2 questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Z-Transform - 2 MCQs are made for Electronics and Communication Engineering (ECE) 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Z-Transform - 2 below.
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Test: Z-Transform - 2 - Question 1

### The unilateral z-transform of signal x[n] = u[ n + 4 ] is

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Test: Z-Transform - 2 - Question 2

### The transfer function of a causal system is given as The impulse response is

Detailed Solution for Test: Z-Transform - 2 - Question 2

h[n] is causal so ROC is |z|> 3,

Test: Z-Transform - 2 - Question 3

### A causal system has input  and output The impulse response of this system is

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Test: Z-Transform - 2 - Question 4

A causal system has input x[n] = (-3)n u[ n] and output

The impulse response of this system is

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Test: Z-Transform - 2 - Question 5

A system has impulse response

The output y[n] to the input x[n] is given by
The input x[n] is

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=

Test: Z-Transform - 2 - Question 6

A system is described by the difference equation

The impulse response of the system is

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Test: Z-Transform - 2 - Question 7

A system is described by the difference equation
y[n] = x[n]- x[n - 2] + x[n - 4] - x[n - 6]
The impulse response of system is

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Test: Z-Transform - 2 - Question 8

The impulse response of a system is given by

The difference equation representation for this system is

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Test: Z-Transform - 2 - Question 9

The impulse response of a system is given by

The difference equation representation for this system is

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⇒ y[n]= x[n] - x[n - 5 ]

Test: Z-Transform - 2 - Question 10

The transfer function of a system is given by

The system is

Detailed Solution for Test: Z-Transform - 2 - Question 10

(i) Not all poles are inside |z|= 1, the system is not causal and stable.
(ii) Not are poles and zero are inside |z|= 1, the system is not minimum phase.

## Signals and Systems

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## Signals and Systems

40 videos|42 docs|33 tests