The loss in single-mode fiber optic cable due to the splice is about ________(a) 0.2 dB per km(b) 0.02 dB per km(c) 0.0002 dB per km(d) 2 dB per kmThis question was addressed to me during an internship interview.This key question is from Noise in Pulse Modulated System in chapter Phase Locked Loop & Pulse Modulation of Analog Communications

The loss in single-mode fiber optic cable due to the splice is about _

1.	The loss in single-mode fiber optic cable due to the splice is about ________(a) 0.2 dB per km(b) 0.02 dB per km(c) 0.0002 dB per km(d) 2 dB per kmThis question was addressed to me during an internship interview.This key question is from Noise in Pulse Modulated System in chapter Phase Locked Loop & Pulse Modulation of Analog Communications
Answer» RIGHT answer is (B) 0.02 DB per km For explanation: A fiber-optic CABLE CONSIST of a bundle of glass threads, each of which is capable of transmitting messages. The loss in single-mode fiber optic cable due to the splice is about 0.02 dB per km. In single mode fiber optical cable, only a single light ray is transmitted.

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