# Complex Arithmetic MCQ’s

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Complex Arithmetic”.

1. What is the class of the complex number?

a) double

b) symbolic

c) character

d) array

2. What is the argument of -1-i in MATLAB?

a) -3*pi/4

b) pi/4

c) 5*pi/4

d) -7*pi/4

3. Which command is used to find the argument of a complex number?

a) atan2()

b) args()

c) abs()

d) cannot be determined

4. The modulus of z, z conjugate and -z are not equal in MATLAB.

a) True

b) False

5. What will be the output of the following code?

z=2+3i/(i^{99})

a) z conjugate

b) -z

c) -3+(2*i)

d) -1

6. What will be the output of the following code?

atan2(-1,1)

8. Which of the following command can be is used for complex arithmetic?

a) abs()

b) atan()

c) realc()

d) imagc()

9. What is the output of the following code?

t=-i:.01*i:i; p=exp(2*t);plot(t,p)

a) a sinusoidal signal

b) an exponential signal

c) a discrete sinusoidal

d) no plot

10. What will be the output of the following code?

abs(i)

a) 1

b) -1

c) Error

d) i

8. What is the command used to check the real part of a complex number in MATLAB?

a) abs()

b) realc()

c) real()

d) cannot be checked

### More Stories

### Cellular Telephone Systems MCQ’s

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Cellular Telephone Systems". 1. What...

### Cordless Telephone Systems MCQ’s

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Cordless Telephone Systems". 1. In...

### Paging System MCQ’s

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Paging System". 1. Paging system...

### WAIT Statements – 2 MCQ’s

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “WAIT Statements – 2". 1. Given that a...

### WAIT Statements – 1 MCQ’s

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “WAIT Statements – 1". 1. Which of the...

### Assert Statement MCQ’s

This set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Assert Statement". 1. What is the use of...

## Average Rating