MCQOPTIONS
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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. |
Huygens principle in mathematical form is referred to as equivalence principle for aperture antennas. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
The gain of the aperture antenna increases with square of the frequency. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Equivalence principle is mainly used for far filed analysis of the antenna in outer region. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following condition is true for the magnetic conductor equivalent? |
| A. | J<sub>s</sub>=n H=0;M<sub>s</sub>=-n E |
| B. | J<sub>s</sub>=n H;M<sub>s</sub>=-n E=0 |
| C. | J<sub>s</sub>=n H 0;M<sub>s</sub>=-n E |
| D. | J<sub>s</sub>=n H 0;M<sub>s</sub>=-n E=0 |
| Answer» C. J<sub>s</sub>=n H 0;M<sub>s</sub>=-n E | |
| 5. |
Which of the following condition is true for the electric conductor equivalent? |
| A. | J<sub>s</sub>=n H=0;M<sub>s</sub>=-n E |
| B. | J<sub>s</sub>=n H;M<sub>s</sub>=-n E=0 |
| C. | J<sub>s</sub>=n H 0;M<sub>s</sub>=-n E |
| D. | J<sub>s</sub>=n H 0;M<sub>s</sub>=-n E=0 |
| Answer» B. J<sub>s</sub>=n H;M<sub>s</sub>=-n E=0 | |
| 6. |
Equivalence Principle follows which f the following theorem? |
| A. | Uniqueness Theorem |
| B. | Poynting theorem |
| C. | Friss Theorem |
| D. | Gauss theorem |
| Answer» B. Poynting theorem | |
| 7. |
Which of the following principle is used for analysis of aperture antennas? |
| A. | Equivalence principle |
| B. | Friss Equation |
| C. | Reflectivity |
| D. | Diffraction |
| Answer» B. Friss Equation | |
| 8. |
Which of the following does not belong to the aperture antenna? |
| A. | Half-Dipole |
| B. | Horn Antenna |
| C. | Waveguide antenna |
| D. | Slot antenna |
| Answer» B. Horn Antenna | |
| 9. |
At which of the following frequencies aperture antennas are operated? |
| A. | UHF and EHF |
| B. | MF and HF |
| C. | HF and UHF |
| D. | LF and MF |
| Answer» B. MF and HF | |
| 10. |
For aperture antenna to be efficient and have high directivity, its area should be ____________ |
| A. | <sup>2</sup> |
| B. | 1/ |
| C. | <sup>2</sup> |
| D. | |
| Answer» B. 1/ | |