Electronics and CommunicationOptical CommunicationDifficulty: Medium
When the input and output power in an optical fiber is 120μW & 3μW respectively and the length of the fiber is 8 km. What is the signal attenuation per km for the fiber?
Select the correct option to test your answer:
Correct Answer: Option B (2dB/km)
Verified correct option for Electronics and Communication (Optical Communication).