MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_________ has a constant power spectral density. |
| A. | White noise |
| B. | Gaussian noise |
| C. | Thermal noise |
| D. | Shot noise |
| Answer» B. Gaussian noise | |
| 2. |
Low is the G/T ratio of an antenna, higher is its efficiency. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The noise temperature of an antenna is given by the expression: |
| A. | radTb + (1-rad) Tp |
| B. | (1-rad) TP |
| C. | radTb |
| D. | None of the mentioned |
| Answer» B. (1-rad) TP | |
| 4. |
If an antenna has a directivity of 16 and is operating at a wavelength of λ, then the maximum effective aperture efficiency is: |
| A. | 1.27λ2 |
| B. | 2.56λ2 |
| C. | 0.87λ2 |
| D. | None of the mentioned |
| Answer» B. 2.56λ2 | |