MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Horn Antenna knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The small the flare angle, ___ is the directivity and ____ is the beam width. |
| A. | high, low |
| B. | low, high |
| C. | low, low |
| D. | high, high |
| Answer» B. low, high | |
| 2. |
The radiation pattern of H-plane Sectoral horn is narrower than the E-plane Sectoral horn. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following doesn t apt for flaring? |
| A. | Improve Gain |
| B. | Impedance matching |
| C. | Decreases side lobes |
| D. | Improve Standing waves |
| Answer» E. | |
| 4. |
Principle used in Horn antenna is Huygens principle. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
In Horn antennas impedance matching is provided by _______ |
| A. | flaring |
| B. | increasing Power |
| C. | decreasing axial length |
| D. | Balun |
| Answer» B. increasing Power | |
| 6. |
In a horn antenna, with increase in aperture, the directivity is ____ and diffraction is ______ |
| A. | increased, decreased |
| B. | decreased, increased |
| C. | increased, increased |
| D. | decreased, decreased |
| Answer» B. decreased, increased | |
| 7. |
In which of the following bands the horn antenna operates? |
| A. | HF and VHF |
| B. | UHF and LF |
| C. | UHF and SHF |
| D. | LF and VHF |
| Answer» D. LF and VHF | |
| 8. |
Which of the following antenna is mainly used for broadband signals? |
| A. | Marconi antenna |
| B. | Horn antenna |
| C. | Wire antenna |
| D. | Yagi-Uda antenna |
| Answer» C. Wire antenna | |
| 9. |
Which of the following type does horn antenna belongs? |
| A. | Wire Antenna |
| B. | Array Antenna |
| C. | Aperture Antenna |
| D. | Lens Antenna |
| Answer» D. Lens Antenna | |