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ECE · Q202

Optical Communication

Engineering and GATE · ECE · question 202

Q202

For a single mode optical cable with 0.25 dB/km loss, the optical power 100 km from a 0.1 mW source will be . . . . . . . .

A.
-30 dBm
B.
-35 dBm
Answer
C.
-40 dBm
D.
-45 dBm

Answer: Option B

Solution

Answer: Option B
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