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This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
1. |
For a phototransistor having gain of 116.5, wavelength of 1.28 μm, optical power 123μW. Determine collector current. |
A. | 0.123 mA |
B. | 0.0149 mA |
C. | 1.23 mA |
D. | 0.54 mA |
Answer» C. 1.23 mA | |
2. |
A phototransistor has collector current of 18 mA, incident optical power of 128 μW with a wavelength of 1.24 μm. Determine an optical gain. |
A. | 1.407 *102 |
B. | 19.407 *102 |
C. | 2.407 *102 |
D. | 3.407 *102 |
Answer» B. 19.407 *102 | |