MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Find the effective length of a receiving antenna with open circuit voltage 1V and incident electric field 200mV/m? |
| A. | 0.2m |
| B. | 50m |
| C. | 5m |
| D. | 5cm |
| Answer» D. 5cm | |
| 2. |
What is the radiation intensity for isotropic antenna having radiation power density \(\frac{3 sinθ}{r^2}a_r W/m^2\)? |
| A. | 3sinθ ar W/Steradian |
| B. | 3cosθar W/Steradian |
| C. | 6πsinθ ar W/Steradian |
| D. | 6πcosθ ar W/steradian |
| Answer» B. 3cosθar W/Steradian | |
| 3. |
What is the amount of Electric field present at a distance of 10km for an isotropic radiator with radiating power 3kW? |
| A. | 30mV/m |
| B. | 60mV/m |
| C. | 15mV/m |
| D. | 10mV/m |
| Answer» B. 60mV/m | |
| 4. |
In Isotropic radiation, which of the following vector component is absent in pointing vector? |
| A. | \(\widehat{a_r}\) |
| B. | \(\widehat{a_\theta}\) |
| C. | \(\widehat{a_\emptyset}\) |
| D. | Both \(\widehat{a_\theta} \,and\, \widehat{a_\emptyset} \) |
| Answer» E. | |
| 5. |
An ideal source in which the power is radiated equally in all directions is called as ________ radiator. |
| A. | Isotropic |
| B. | Omni-directional |
| C. | Directional |
| D. | Transducer |
| Answer» B. Omni-directional | |