Explore topic-wise MCQs in Signals & Systems.

This section includes 10 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.

If the signal x(t) is even, what will be the fourier series coefficients?

A. Real and even
B. Odd
C. Real only
D. Imaginary and odd
Answer» E.
Discussion
2.

If the signal x(t) is odd, what will be the fourier series soeffiients?

A. Real and even
B. Odd
C. Real only
D. Real and odd
Answer» B. Odd
Discussion
3.

What is the complex conjugate property of a fourier series?

A. It leads to convolution
B. It leads to time reversal
C. It leads to multiplication
D. It leads to addition of signals
Answer» C. It leads to multiplication
Discussion
4.

What is the smoothing operation?

A. Differentiation property
B. Multiplication property
C. Integration property
D. Conjugation property
Answer» D. Conjugation property
Discussion
5.

What is the integration property of the continuous time fourier series?

A. y(t) Y<sub>n</sub> = 1/jnwX<sub>n</sub>
B. y(t) Y<sub>n</sub> = 1/jwX<sub>n</sub>
C. y(t) Y<sub>n</sub> = 1/jnX<sub>n</sub>
D. y(t) Y<sub>n</sub> = 1/jnw
Answer» B. y(t) Y<sub>n</sub> = 1/jwX<sub>n</sub>
Discussion
6.

What is the fourier series coefficient for n=0?

A. Zero
B. Unity
C. Depends on the situation
D. Non zero positive
Answer» B. Unity
Discussion
7.

What is the differentiation property of continuous time fourier series?

A. Y<sub>n</sub> = jnwtX<sub>n</sub>
B. Y<sub>n</sub> = jntX<sub>n</sub>
C. Y<sub>n</sub> = jnwX<sub>n</sub>
D. X<sub>n</sub> = jnwtX<sub>n</sub>
Answer» D. X<sub>n</sub> = jnwtX<sub>n</sub>
Discussion
8.

What is the multiplication property of continuous time fourier series?

A. Convolution of the signals
B. Multiplication of the elements of the signal
C. Division of the frequency domain
D. Addition of the signals in frequency domain
Answer» B. Multiplication of the elements of the signal
Discussion
9.

What is the outcome of a periodic convolution of signals in case of continuous time fourier series?

A. Division in frequency domain
B. Multiplication in frequency domain
C. Convolution is easier
D. Addition of signals in frequency domain
Answer» C. Convolution is easier
Discussion
10.

Can continuous time fourier series undergo periodic convolution?

A. They cannot undergo periodic convoluion
B. They can undergo in certain situations
C. They undergo periodic convolution
D. Only even signals undergo periodic convolution
Answer» D. Only even signals undergo periodic convolution
Discussion