Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 1 (Q.No. 2)
2.
A transmission line has a characteristic impedance of 50 Ω and a resistance of 0.1 Ω/m, if the line is distortion less, the attenuation constant (in Np/m) is
Answer: Option
Explanation:
Distortion less 
a = RG and Z0 = RG → 
.
Discussion:
24 comments Page 3 of 3.
PAVI said:
1 decade ago
Z0 = sqrt of RG.
Dilip N said:
1 decade ago
G/C = R/L.
Zo = sqrt(L/C).
Zo = sqrt(R/G).
Zo = sqrt(L/C).
Zo = sqrt(R/G).
Aditya said:
1 decade ago
Z0= sqt of RG.
Shweta said:
1 decade ago
Got it by myself.
Correct formula for distortionless transmission line is:
Characteristic impedance = Square root of (resistance/Conductance).
Correct formula for distortionless transmission line is:
Characteristic impedance = Square root of (resistance/Conductance).
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