MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following will add the field of the driven element and will excite the next parasitic element to increase the gain of the antenna? |
| A. | Director |
| B. | Reflector |
| C. | Active element |
| D. | Boom |
| Answer» B. Reflector | |
| 2. |
In order to convert the bidirectional dipole to unidirectional system, we use _______ |
| A. | Active element |
| B. | Driven element |
| C. | Parasitic element |
| D. | Isolator |
| Answer» D. Isolator | |
| 3. |
A Yagi-Uda antenna is ____ |
| A. | Only a super directive antenna |
| B. | Only a super gain antenna |
| C. | Both super directive and super gain |
| D. | Neither super directive nor super gain |
| Answer» D. Neither super directive nor super gain | |
| 4. |
In which of the following bands Yagi-Uda antenna operates? |
| A. | HF-UFH |
| B. | VLF-MF |
| C. | LF-HF |
| D. | UHF-EHF |
| Answer» B. VLF-MF | |
| 5. |
Folded dipole is used than a single dipole in Yagi-Uda to obtain wider frequency range. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The dipole to which the power is applied directly from the feeder in the Yagi-Uda antenna is called as _____ |
| A. | Director |
| B. | Reflector |
| C. | Driven element |
| D. | Boom |
| Answer» D. Boom | |
| 7. |
A narrow beam-width is obtained through a large number of directors. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
What is the radiation pattern of a Yagi-Uda antenna? |
| A. | Broad-side |
| B. | End-fire |
| C. | Collinear |
| D. | Both Broadside and End-fire |
| Answer» C. Collinear | |
| 9. |
Directors are used to increase ______ of the Yagi-Uda antenna. |
| A. | Directivity |
| B. | Gain |
| C. | Back lobe |
| D. | Reflection away from the radiation |
| Answer» C. Back lobe | |
| 10. |
The directivity of Yagi-Uda antenna is increased by adding ______ |
| A. | reflectors |
| B. | driven element |
| C. | directors |
| D. | boom |
| Answer» B. driven element | |