MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the RMS peak current in an IMPATT diode is 700 mA and if DC input power is 6 watt, with the load resistance being equal to 2.5 , the efficiency of the diode is: |
| A. | 10.1 % |
| B. | 10.21 % |
| C. | 12 % |
| D. | 15.2 % |
| Answer» C. 12 % | |
| 2. |
If the length of the intrinsic region in IMPATT diode is 2 m and the carrier drift velocity are 107 cm/s, then the nominal frequency of the diode is: |
| A. | 12 GHz |
| B. | 25 GHz |
| C. | 30 GHz |
| D. | 24 GHz |
| Answer» C. 30 GHz | |
| 3. |
If the length of the intrinsic region in IMPATT diode is 2 m and the carrier drift velocity are 107 cm/s, then the drift time of the carrier is: |
| A. | 10<sup>-11</sup> seconds |
| B. | 2 10<sup>-11</sup> seconds |
| C. | 2.5 10<sup>-11</sup> seconds |
| D. | none of the mentioned |
| Answer» C. 2.5 10<sup>-11</sup> seconds | |