MCQOPTIONS
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This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What will be the array factor in polynomial form for the 3 element binomial array if Z=e^(-i )? |
| A. | 1+2z+z<sup>2</sup> |
| B. | 1+3z+3z<sup>2</sup>+z<sup>3</sup> |
| C. | 1+2z+3z<sup>2</sup>+z<sup>3</sup> |
| D. | 1+3z+z<sup>2</sup> |
| Answer» B. 1+3z+3z<sup>2</sup>+z<sup>3</sup> | |
| 2. |
Dolph- Chebyshev becomes a Binomial array when there are no side lobes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following can be the excitation amplitude of binomial array with 4 elements? |
| A. | 1 3 3 1 |
| B. | 1 2 3 1 |
| C. | 2 1 1 2 |
| D. | 1 4 6 4 1 |
| Answer» B. 1 2 3 1 | |
| 4. |
Binomial array has high HPBW compared to Dolph-chebychev. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of following is the disadvantage of the binomial array? |
| A. | It has low amplitude variations |
| B. | It has high range of amplitude variations |
| C. | It has a high HPBW |
| D. | It has low HPBW |
| Answer» B. It has high range of amplitude variations | |
| 6. |
The excitation amplitudes of the binomial array follow ____________ |
| A. | Pascal s triangle |
| B. | Bermuda triangle |
| C. | Right angled triangle |
| D. | Natural squares |
| Answer» B. Bermuda triangle | |
| 7. |
Which of the following array is used to synthesize pattern without side lobes? |
| A. | Binomial array |
| B. | Linear array |
| C. | End-fire array |
| D. | Chebyshev array |
| Answer» B. Linear array | |