MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Antenna Parameters knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The region of the field that angular field distribution is independent of the distance from the antenna is called as _______ |
| A. | Reactive near-field |
| B. | Radiating near-field |
| C. | Fresnel zone |
| D. | Far field |
| Answer» E. | |
| 2. |
The portion of the near field immediate to the surrounding the antenna is called as _____ |
| A. | Reactive near-field |
| B. | Radiating near-field |
| C. | Fraunhofer zone |
| D. | Far field |
| Answer» B. Radiating near-field | |
| 3. |
Which pattern represents a plot with magnitude of field strength Vs at a constant ? |
| A. | E-plane pattern |
| B. | H-plane pattern |
| C. | Horizontal pattern |
| D. | Power pattern |
| Answer» B. H-plane pattern | |
| 4. |
For a center fed short antenna, current distribution is _____ at center and ____ at ends. |
| A. | Low, high |
| B. | High, high |
| C. | Low, low |
| D. | High, low |
| Answer» E. | |
| 5. |
If FNBW is 6 , then resolution is ____ |
| A. | 12 |
| B. | 3 |
| C. | 2 |
| D. | 6 |
| Answer» C. 2 | |
| 6. |
Fresnel zone is also called as ____ |
| A. | Near Field |
| B. | Far Field |
| C. | Electrostatic Field |
| D. | Reactive Field |
| Answer» B. Far Field | |
| 7. |
The radiation lobe containing the direction of maximum radiation is called as _____ |
| A. | Major lobe |
| B. | Minor lobe |
| C. | Side lobe |
| D. | Back lobe |
| Answer» B. Minor lobe | |
| 8. |
Which of the following pattern varies with square of magnitude of field? |
| A. | Power Pattern |
| B. | Electric Field Pattern |
| C. | Current distribution |
| D. | Array Factor |
| Answer» B. Electric Field Pattern | |
| 9. |
What is the total power radiated in Watts for the power density (w_r= frac{4sin theta}{3r^2}a_r W/m^2 )? |
| A. | 4 <sup>2</sup> |
| B. | 8 <sup>2</sup>/3 |
| C. | 4 <sup>2</sup>/3 |
| D. | 2 <sup>2</sup>/3 |
| Answer» D. 2 <sup>2</sup>/3 | |
| 10. |
The graphical representation of the radiation properties of the antenna as a function of space coordinates is called Radiation pattern. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Units of radiation intensity is _______ |
| A. | Watts/unit Solid angle |
| B. | Watts/m<sup>2</sup> |
| C. | Watts- m<sup>2</sup> |
| D. | Watts |
| Answer» B. Watts/m<sup>2</sup> | |