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Q. |
If the input power 100μW is launched into 6 km of fiber, the mean optical power at the fiber output is 2μW. What is the overall signal attenuation through the fiber assuming there are no connectors or splices? |
A. | 15.23db |
B. | 16.98db |
C. | 17.12db |
D. | 16.62db |
Answer» B. 16.98db |
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