MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
Flare angle (in degrees) of horn antenna when axial length 10 and path difference = 0.3 is given is _____ |
| A. | = 1.386 |
| B. | = 2.772 |
| C. | = 27.72 |
| D. | = 13.86 |
| Answer» D. = 13.86 | |
| 2. |
Flare angle of horn antenna when axial length l and path difference is given is _____ |
| A. | ( = 2 cos^{-1} u2061 frac{l}{l+ } ) |
| B. | ( = cos^{-1} u2061 frac{l}{l+ } ) |
| C. | ( = 2 cos^{-1} u2061 frac{l}{l- } ) |
| D. | ( = cos^{-1} u2061 frac{l}{l- } ) |
| Answer» B. ( = cos^{-1} u2061 frac{l}{l+ } ) | |
| 3. |
Physical area of a conical horn antenna of radius 5cm is____ |
| A. | 25 |
| B. | 6.15 |
| C. | 2.5 |
| D. | 25 |
| Answer» B. 6.15 | |
| 4. |
What is the physical area of the rectangular horn antenna with E-plane aperture 5 and H-plane aperture 4 ? |
| A. | 20 <sup>2</sup> |
| B. | 10 <sup>2</sup> |
| C. | 0.8 |
| D. | 9 |
| Answer» B. 10 <sup>2</sup> | |
| 5. |
HPBW of E-plane horn with aperture dimension 10 in degrees is ____ |
| A. | 56 |
| B. | 67 |
| C. | 5.6 |
| D. | 6.7 |
| Answer» D. 6.7 | |
| 6. |
HPBW of H-plane horn is (in degrees) _____ |
| A. | ( frac{56 }{h_h} ) |
| B. | ( frac{67 }{h_h} ) |
| C. | ( frac{ }{56h_h} ) |
| D. | ( frac{ }{67h_h} ) |
| Answer» C. ( frac{ }{56h_h} ) | |
| 7. |
HPBW of E-plane horn is (in degrees) _____ |
| A. | ( frac{56 }{h_e} ) |
| B. | ( frac{67 }{h_e} ) |
| C. | ( frac{ }{56h_e} ) |
| D. | ( frac{ }{67h_e} ) |
| Answer» B. ( frac{67 }{h_e} ) | |