MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
For a lossless antenna, maximum Power gain equals to the maximum directive gain. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
What is the maximum directive gain of antenna with radiation efficiency 98% and maximum power gain 1? |
| A. | 0.98 |
| B. | 1.02 |
| C. | 1.98 |
| D. | 1 |
| Answer» C. 1.98 | |
| 3. |
The Directive gain is ______ on input power to antenna and _____ on power due to ohmic losses. |
| A. | Independent, independent |
| B. | Dependent, independent |
| C. | Independent, dependent |
| D. | Dependent, dependent |
| Answer» B. Dependent, independent | |
| 4. |
Directive gain of antenna when radiation intensity is 5W/Steradian and radiated power 5W is ____ |
| A. | 4π |
| B. | 1/4π |
| C. | 25 |
| D. | 1 |
| Answer» B. 1/4π | |
| 5. |
What is the directive gain when the magnitude of radiation intensity equals to average radiation intensity? |
| A. | 4π |
| B. | ∞ |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 6. |
Directive gain is defined as a measure of concentration of power in a particular direction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
For an isotropic antenna, the average power Pav can be expressed in terms of radiated power Pr as ____ |
| A. | Pav=Pr/4π |
| B. | Pav=Pr/2πr2 |
| C. | Pav=Pr/2π |
| D. | Pav=Pr/4πr2 |
| Answer» E. | |