MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Considering distance as a parameter, two types of field zones can be defined around an antenna. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
A source with a unidirectional cosine squared radiation intensity pattern is given by UMcos2 ( ). The directivity of the given source is: |
| A. | 6 |
| B. | 8 |
| C. | 2 |
| D. | 7 |
| Answer» B. 8 | |
| 3. |
A source has a radiation intensity pattern given by U=UM sin . The directivity of the source with this power pattern is: |
| A. | 1 |
| B. | 1.27 |
| C. | 2.4 |
| D. | 3.4 |
| Answer» C. 2.4 | |
| 4. |
A source has a cosine radiation-intensity pattern given by U=UM cos ( ). The directivity of this source is: |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 5. |
The expression for pointing vector of an isotropic point source at a distance r from the source is given by: |
| A. | P/ 4 R<sup>2</sup> |
| B. | P/4 |
| C. | P/ 4 R |
| D. | P 4 R<sup>2</sup> |
| Answer» B. P/4 | |