Explore topic-wise MCQs in Signals Systems.

This section includes 14 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 are the types of symmetry shown by signals?

A. Even symmetry and odd symmetry
B. Even, odd and quarter wave symmetry
C. Even, odd, half-wave and quarter wave symmetry
D. Half wave symmetry
Answer» D. Half wave symmetry
Discussion
2.

When does a wave posses a quarter wave symmetry?

A. It has either even or odd symmetry
B. It has half wave symmetry
C. even/odd symmetry and half wave symmetry
D. It is even in one quarter and odd in the other
Answer» D. It is even in one quarter and odd in the other
Discussion
3.

How can we define the coefficients a half wave symmetry when n is even?

A. an=0 and bn=0 and a0=0
B. an=4/T∫x(t)cos(nwt)dt and bn=0= a0
C. an=4/T∫x(t)sin(nwt)dt and bn=4/T∫x(t)cos(nwt)dt and a0=0
D. an=4/T∫x(t)sin(nwt)dt and bn=4/T and a0=0
Answer» B. an=4/T∫x(t)cos(nwt)dt and bn=0= a0
Discussion
4.

What is the function of an odd signal?

A. x(t) = -x(t)
B. x(t) = x(-t)
C. x(t) = -x(-t)
D. x(t) = x(t+1)
Answer» B. x(t) = x(-t)
Discussion
5.

HOW_CAN_WE_DEFINE_THE_COEFFICIENTS_A_HALF_WAVE_SYMMETRY_WHEN_N_IS_EVEN??$

A. a<sub>n</sub>=0 and b<sub>n</sub>=0 and a<sub>0</sub>=0
B. a<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt and b<sub>n</sub>=0= a<sub>0</sub>
C. a<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt and b<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt and a<sub>0</sub>=0
D. a<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt and b<sub>n</sub>=4/T and a<sub>0</sub>=0
Answer» D. a<sub>n</sub>=4/T‚Äö√Ñ√∂‚àö‚Ƭ¨¬•x(t)sin(nwt)dt and b<sub>n</sub>=4/T and a<sub>0</sub>=0
Discussion
6.

What are the types of symmetry shown by signals?$

A. Even symmetry and odd symmetry
B. Even, odd and quarter wave symmetry
C. Even, odd, half-wave and quarter wave symmetry
D. Half wave symmetry
Answer» D. Half wave symmetry
Discussion
7.

When_does_a_wave_posses_a_quarter_wave_symmetry?$

A. It has either even or odd symmetry
B. It has half wave symmetry
C. even/odd symmetry and half wave symmetry
D. It is even in one quarter and odd in the other
Answer» D. It is even in one quarter and odd in the other
Discussion
8.

How can we define the coefficients half wave symmetry when n is even?

A. a<sub>n</sub>=0 and b<sub>n</sub>=0 and a<sub>0</sub>=0
B. a<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt and b<sub>n</sub>=0= a<sub>0</sub>
C. a<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt and b<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt and a<sub>0</sub>=0
D. a<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt and b<sub>n</sub>=4/T and a<sub>0</sub>=0
Answer» B. a<sub>n</sub>=4/T‚Äö√Ñ√∂‚àö‚Ƭ¨¬•x(t)cos(nwt)dt and b<sub>n</sub>=0= a<sub>0</sub>
Discussion
9.

How can we define half wave symmetry?

A. x(t) = -x(t±T)
B. x(t) = x(t±T/2)
C. x(t) = x(t±T)
D. x(t) = -x(t±T/2)
Answer» E.
Discussion
10.

What are the values of an and bn when the signal is even?

A. a<sub>n</sub>=0 and b<sub>n</sub>=0
B. a<sub>n</sub>=0 and b<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt
C. a<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt and b<sub>n</sub>=0
D. a<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt and b<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt
Answer» C. a<sub>n</sub>=4/T‚Äö√Ñ√∂‚àö‚Ƭ¨¬•x(t)cos(nwt)dt and b<sub>n</sub>=0
Discussion
11.

What are the values of an and bn when the signal is even?

A. a<sub>n</sub>=0 and b<sub>n</sub>=0
B. a<sub>n</sub>=0 and b<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt
C. a<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt and b<sub>n</sub>=0
D. a<sub>n</sub>=4/T‚à´x(t)sin(nwt)dt and b<sub>n</sub>=4/T‚à´x(t)cos(nwt)dt
Answer» D. a<sub>n</sub>=4/T‚Äö√Ñ√∂‚àö‚Ƭ¨¬•x(t)sin(nwt)dt and b<sub>n</sub>=4/T‚Äö√Ñ√∂‚àö‚Ƭ¨¬•x(t)cos(nwt)dt
Discussion
12.

What is the product of an even signal and odd signal?

A. Even signal
B. Odd signal
C. Mixture of even and odd
D. Odd signals sometimes
Answer» C. Mixture of even and odd
Discussion
13.

What is the function of an even signal?

A. x(t) = -x(t)
B. x(t) = x(-t)
C. x(t) = -x(-t)
D. x(t) = x(t+1)
Answer» C. x(t) = -x(-t)
Discussion
14.

How can fourier series calculations be made easy?

A. Using symmetry conditions
B. Using formula
C. Using integration
D. Calculations are easy anyways
Answer» B. Using formula
Discussion