Test: Z-Transform- 2


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20 Questions MCQ Test Topicwise Question Bank for Electrical Engineering | Test: Z-Transform- 2

Test: Z-Transform- 2 for Electrical Engineering (EE) 2022 is part of Topicwise Question Bank for Electrical Engineering preparation. The Test: Z-Transform- 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Z-Transform- 2 MCQs are made for Electrical Engineering (EE) 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 z-transform of F(z) of the function f(nT) = anT is

Test: Z-Transform- 2 - Question 2

The ROC of z-transform of the sequencemust be

Test: Z-Transform- 2 - Question 3

If, the ROC of then the ROC of x1[n]-x2[n] includes

Test: Z-Transform- 2 - Question 4

The z-transform of discrete time signal x[n] = {1, 0, -1,0, 1,-1} is

Test: Z-Transform- 2 - Question 5

A all pass causal LTI system is described by the difference equation:
y[n] - ay[n - 1] = bx[n] + x [n - 1]
The value of ’b’ will be

Test: Z-Transform- 2 - Question 6

Consider a discrete time signal x(n) having z-transform given by if x(n) is right sided then z-transform x(z) belongs to

Test: Z-Transform- 2 - Question 7

Consider a system with system function:

Test: Z-Transform- 2 - Question 8

Let x[n] = 

The ROC for the z-transform of above sequence is

Test: Z-Transform- 2 - Question 9

The sequence x[n] corresponding tox (z) defined as will have the value at n = - 2 

Test: Z-Transform- 2 - Question 10

The direct.form-II realisation of []R filter is shown below.

The transfer function is

Test: Z-Transform- 2 - Question 11

A sequence of x(n) with the z-transform x(z) = z4 + z2 - 2z + 2 - 3z-4 is applied as an input to a L.T.I system with the impulse response where,  the output at n = 2 is 

Test: Z-Transform- 2 - Question 12

Find x[n] for the case, when x(z) =

Test: Z-Transform- 2 - Question 13

Match List-I {x(n)} with List-II {x(z)} and select the correct answer using the codes given below the lists:
List-I
A. ∝n u(n)
B. ∝n u(-n -1)
C. ∝n u(-n-1)
D. ∝u(n)
List-II
1. 
2.
3.
4.
Codes

Test: Z-Transform- 2 - Question 14

Choose the correct option for given causal systems, stable or not
i. 
ii. 
iii.

Test: Z-Transform- 2 - Question 15

 Find the inverse z-transform of

Test: Z-Transform- 2 - Question 16

Consider discrete time signal x(n) is given by
x(n) = 4n u(n)
Also, 
Consider another signal 
Also, y(z) = x2(z)
then, y(n) is

Test: Z-Transform- 2 - Question 17

Consider a z-transform of a signal x(n)

value of x(1) is equal to

Test: Z-Transform- 2 - Question 18

Consider a discrete time signal x(n), who use z-transform x(z) is given by,

value of x(n) for n = 0 is

Test: Z-Transform- 2 - Question 19

If z-transform is given by x(z) = cos(z-3), |z| > 0 the value of x[12] is

Test: Z-Transform- 2 - Question 20

The impulse response of the system in below figure.

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