MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
For an isotropic source, Radiation intensity will be _____ on and ______ on . |
| A. | Dependent, independent |
| B. | Independent, independent |
| C. | Independent, dependent |
| D. | Dependent, dependent |
| Answer» C. Independent, dependent | |
| 3. |
What is the radiation intensity for isotropic antenna having radiation power density ( frac{3 sin }{r^2}a_r W/m^2 )? |
| A. | 3sin a<sub>r</sub> W/Steradian |
| B. | 3cos a<sub>r</sub> W/Steradian |
| C. | 6 sin a<sub>r</sub> W/Steradian |
| D. | 6 cos a<sub>r</sub> W/steradian |
| Answer» B. 3cos a<sub>r</sub> W/Steradian | |
| 4. |
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 | |
| 5. |
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. | |
| 6. |
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 | |