BSNL JTO Practice Questions - BSNL Junior Telecom Officer (JTO) Exam

In optical fiber communications, what is the standard engineering unit used to express the attenuation coefficient of a signal over a long distance?

decibels per kilometer (dB/km) decibels per milliwatt (dBm) nepers per meter (Np/m) decibels per microvolt (dBμV)

decibels per kilometer (dB/km)

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