# Surge Impedance

The characteristic impedance or surge impedance of a uniform transmission line is the ratio of the amplitudes of voltage and current of a single wave propagating along the line.

Symbol
$SI$
Unit
$\Omega$
Formulae
$\sqrt{\frac{X_{c}}{C_{b} \omega}}$
Related
$C_{b}$
$\omega$
$X_{c}$