Explore topic-wise MCQs in Signals Systems.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Signals Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the equation – Xn=1/T∫x(t) ejwtn called?

A. Synthesis equation
B. Analysis equation
C. Frequency domain equation
D. Discrete equation
Answer» C. Frequency domain equation
2.

What is the equation – X(t)=∑Xnejnwt called?

A. Synthesis equation
B. Analysis equation
C. Frequency domain equation
D. Discrete equation
Answer» B. Analysis equation
3.

Choose the condition from below that is not a part of Dirichlet’s conditions?

A. If it is continuous then there are a finite number of discontinuities in the period T1
B. It has a finite average value over the period T
C. It has a finite number of positive and negative maxima in the period T
D. It is a periodic signal
Answer» E.
4.

WHAT_IS_THE_EQUATION_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬®_XN=1/T‚ÄÖ√Ñ√∂‚ÀւƬ¨¬•X(T)_EJWTN_CALLED??$#

A. Synthesis equation
B. Analysis equation
C. Frequency domain equation
D. Discrete equation
Answer» C. Frequency domain equation
5.

What is the equation – X(t)=∑Xnejnwt called?#

A. Synthesis equation
B. Analysis equation
C. Frequency domain equation
D. Discrete equation
Answer» B. Analysis equation
6.

How is the exponential Fourier series represented?

A. X(t) = ‚àëX<sub>n</sub>e<sup>jnwt</sup> + wt
B. X(t) = 1/T‚àëXne<sup>jnwt</sup>
C. X(t) = ‚àëX<sub>n</sub>e<sup>jnwt</sup>
D. X(t) = T*‚àëX<sub>n</sub>e<sup>jnwt</sup>
Answer» D. X(t) = T*‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥X<sub>n</sub>e<sup>jnwt</sup>
7.

How is a trigonometric Fourier series represented?

A. A<sub>0</sub> +‚àë[ancos(w<sub>0</sub>t)+ ansin(w<sub>0</sub>t)]
B. ‚àë[ancos(w<sub>0</sub>t)+ ansin(w<sub>0</sub>t)]
C. A<sub>0</sub> *‚àë[ancos(w<sub>0</sub>t)+ ansin(w<sub>0</sub>t)]
D. A<sub>0</sub> +‚àë[ancos(w<sub>0</sub>t)+ ansin(w<sub>0</sub>t)] + sinwt
Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥[ancos(w<sub>0</sub>t)+ ansin(w<sub>0</sub>t)]
8.

What are the two types of Fourier series?

A. Trigonometric and exponential
B. Trigonometric and logarithmic
C. Exponential and logarithmic
D. Trigonometric only
Answer» B. Trigonometric and logarithmic
9.

Choose the condition from below that is not a part of Dirichlet’s conditions?$

A. If it is continuous then there are a finite number of discontinuities in the period T1
B. It has a finite average value over the period T
C. It has a finite number of positive and negative maxima in the period T
D. It is a periodic signal
Answer» E.
10.

What are the conditions called which are required for a signal to fulfil to be represented as Fourier series?

A. Dirichlet’s conditions
B. Gibbs phenomenon
C. Fourier conditions
D. Fourier phenomenon
Answer» B. Gibbs phenomenon
11.

Fourier series representation can be used in case of Non-periodic signals too. True or false?

A. True
B. False
Answer» C.
12.

Who discovered Fourier series?

A. Jean Baptiste de Fourier
B. Jean Baptiste Joseph Fourier
C. Fourier Joseph
D. Jean Fourier
Answer» C. Fourier Joseph
13.

What is Fourier series?

A. The representation of periodic signals in a mathematical manner is called a Fourier series
B. The representation of non periodic signals in a mathematical manner is called a Fourier series
C. The representation of non periodic signals in terms of complex exponentials or sinusoids is called a Fourier series
D. The representation of periodic signals in terms of complex exponentials or sinusoids is called a Fourier series
Answer» E.