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
500
5
0.014
0.002
Answer: Option
Explanation:

Distortion less

a = RG and Z0 = RG

.

Discussion:
24 comments Page 3 of 3.

NeelU said:   10 years ago
Zo = sqrt(R/G).
(1)

Aditya said:   10 years 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).

Shweta said:   1 decade ago
Can anyone explain it further please?


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