Test: Z-Transform Part - 2


10 Questions MCQ Test Signal and System | Test: Z-Transform Part - 2


Description
This mock test of Test: Z-Transform Part - 2 for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Test: Z-Transform Part - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Z-Transform Part - 2 quiz give you a good mix of easy questions and tough questions. Electrical Engineering (EE) students definitely take this Test: Z-Transform Part - 2 exercise for a better result in the exam. You can find other Test: Z-Transform Part - 2 extra questions, long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above.
QUESTION: 1

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

Solution:

QUESTION: 2

The transfer function of a causal system is given as

The impulse response is

Solution:


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

QUESTION: 3

A causal system has input
 and output

The impulse response of this system is

Solution:


QUESTION: 4

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

The impulse response of this system is

Solution:



QUESTION: 5

A system has impulse response

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

Solution:


=  

QUESTION: 6

A system is described by the difference equation

The impulse response of the system is

Solution:


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

Solution:


QUESTION: 8

The impulse response of a system is given by

The difference equation representation for this system is

Solution:


QUESTION: 9

The impulse response of a system is given by

The difference equation representation for this system is

Solution:


⇒ y[n]= x[n] - x[n - 5 ]

QUESTION: 10

The transfer function of a system is given by

The system is

Solution:


(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.

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