3 ms·
No, you’re wrong. If you hook an ohmmeter to a 10 light-second long piece of LOSSLESS coax, you’ll measure the characteristic impedance (50 or 75 ohms, probably
by gaze 5y ago
No, you’re wrong. If you hook an ohmmeter to a 10 light-second long piece of LOSSLESS coax, you’ll measure the characteristic impedance (50 or 75 ohms, probably) of the cable for 20 seconds.
I have done this personally with shorter coax and TDR.