G9A01

Which of the following factors determine the characteristic impedance of a parallel conductor feed line?

1. AThe distance between the centers of the conductors and the radius of the conductors
2. BThe distance between the centers of the conductors and the length of the line
3. CThe radius of the conductors and the frequency of the signal
4. DThe frequency of the signal and the length of the line

Pick an answer to check it.