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

Correct Answer: 0.002

Explanation:

Distortion less

a = RG and Z₀ = RG →

.