MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
How does Fourier series make it easier to represent periodic signals? |
| A. | Harmonically related |
| B. | Periodically related |
| C. | Sinusoidally related |
| D. | Exponentially related |
| Answer» B. Periodically related | |
| 2. |
The fourier series coefficients of the signal are carried from –T/2 to T/2. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
FOURIER_SERIES_USES_WHICH_DOMAIN_REPRESENTATION_OF_SIGNALS??$ |
| A. | Time domain representation |
| B. | Frequency domain representation |
| C. | Both combined |
| D. | Neither depends on the situation |
| Answer» C. Both combined | |
| 4. |
How_does_Fourier_series_make_it_easier_to_represent_periodic_signals?$ |
| A. | Harmonically related |
| B. | Periodically related |
| C. | Sinusoidally related |
| D. | Exponentially related |
| Answer» B. Periodically related | |
| 5. |
What is the disadvantage of exponential Fourier series? |
| A. | It is tough to calculate |
| B. | It is not easily visualized |
| C. | It cannot be easily visualized as sinusoids |
| D. | It is hard for manipulation |
| Answer» D. It is hard for manipulation | |
| 6. |
Fourier series is not true in case of discrete time signals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
What is a line spectrum? |
| A. | Plot showing magnitudes of waveforms are called line spectrum |
| B. | Plot showing each of harmonic amplitudes in the wave is called line spectrum |
| C. | Plot showing each of harmonic amplitudes in the wave is called line spectrum |
| D. | Plot showing each of harmonic amplitudes called line spectrum |
| Answer» C. Plot showing each of harmonic amplitudes in the wave is called line spectrum | |
| 8. |
What is the polar form of the fourier series? |
| A. | x(t) = c<sub>0</sub> + ∑cncos(nwt+ϕ<sub>n</sub>) |
| B. | x(t) = c<sub>0</sub> + ∑cncos(ϕ<sub>n</sub>) |
| C. | x(t) = ∑cncos(nwt+ϕ<sub>n</sub>) |
| D. | x(t) = c<sub>0</sub>+ ∑cos(nwt+ϕ<sub>n</sub>) |
| Answer» B. x(t) = c<sub>0</sub> + ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥cncos(‚âà√¨‚àö√ò<sub>n</sub>) | |
| 9. |
The fourier series coefficients of the signal are carried from –T/2 to T/2.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
Do exponential fourier series also have fourier coefficients to be evaluated. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which are the fourier coefficients in the following? |
| A. | a<sub>0</sub>, a<sub>n</sub> and b<sub>n</sub> |
| B. | a<sub>n</sub> |
| C. | b<sub>n</sub> |
| D. | a<sub>n</sub> and b<sub>n</sub> |
| Answer» B. a<sub>n</sub> | |
| 12. |
What are fourier coefficients? |
| A. | The terms that are present in a fourier series |
| B. | The terms that are obtained through fourier series |
| C. | The terms which consist of the fourier series along with their sine or cosine values |
| D. | The terms which are of resemblance to fourier transform in a fourier series are called fourier series coefficients |
| Answer» D. The terms which are of resemblance to fourier transform in a fourier series are called fourier series coefficients | |