Contents

Electromagnetic Theory
Vector Analysis
Electrostatics
Magnetostatics
Maxwell Equations
Wave Propagation
Transmission Lines
Antennas
Other Topics
Other Subjects
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Characteristic Impedance

Z0 = sqrt((R+jwL)/(G+jwC)), lossless Z0 = sqrt(L/C).

Darshan N
Updated: 19 March 2026
6 min read

Characteristic Impedance Z0

Test your command of characteristic impedance formulas for lossy and lossless lines.

Question 1 of 3

Q1.The characteristic impedance of a general lossy transmission line is defined as which expression?