MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the discrimination factor d and the selectivity factor k of a chebyshev I filter are 0.077 and 0.769 respectively, then what is the order of the filter? |
| A. | 2 |
| B. | 5 |
| C. | 4 |
| D. | 3 |
| Answer» C. 4 | |
| 2. |
The poles of HN(s).HN(-s) are found to lie on ___________ |
| A. | Circle |
| B. | Parabola |
| C. | Hyperbola |
| D. | Ellipse |
| Answer» E. | |
| 3. |
Which of the following is the characteristic equation of a Chebyshev filter? |
| A. | 1+ <sup>2</sup>T<sub>N</sub><sup>2</sup>(s/j)=0 |
| B. | 1- <sup>2</sup>T<sub>N</sub><sup>2</sup>(s/j)=0 |
| C. | 1+ T<sub>N</sub><sup>2</sup>(s/j)=0 |
| D. | None of the mentioned |
| Answer» B. 1- <sup>2</sup>T<sub>N</sub><sup>2</sup>(s/j)=0 | |
| 4. |
The sum of number of maxima and minima in the pass band equals the order of the filter. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the number of maxima present in the pass band of magnitude frequency response of a low pass chebyshev-I filter of order 5? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 6. |
What is the number of minima s present in the pass band of magnitude frequency response of a low pass chebyshev-I filter of order 4? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 7. |
What is the equation for magnitude frequency response |H(j )| of a low pass chebyshev-I filter? |
| A. | ( frac{1}{ sqrt{1- T_N^2 ( frac{ }{ _P})}} ) |
| B. | ( frac{1}{ sqrt{1+ T_N^2 ( frac{ }{ _P})}} ) |
| C. | ( frac{1}{ sqrt{1- ^2 T_N^2 ( frac{ }{ _P})}} ) |
| D. | ( frac{1}{ sqrt{1+ ^2 T_N^2 ( frac{ }{ _P})}} ) |
| Answer» E. | |
| 8. |
The chebyshev-I filter is equi-ripple in pass band and monotonic in the stop band. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
If NB and NC are the orders of the Butterworth and Chebyshev filters respectively to meet the same frequency specifications, then which of the following relation is true? |
| A. | N<sub>C</sub>=N<sub>B</sub> |
| B. | N<sub>C</sub><N<sub>B</sub> |
| C. | N<sub>C</sub>>N<sub>B</sub> |
| D. | Cannot be determined |
| Answer» C. N<sub>C</sub>>N<sub>B</sub> | |
| 10. |
The chebyshev polynomial is oscillatory in the range |x|< . |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
What is the value of |TN(±1)|? |
| A. | 0 |
| B. | -1 |
| C. | 1 |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |