E9F01 - Amateur Extra Class

E9F01 : What is the velocity factor of a transmission line?
A The ratio of its characteristic impedance to its termination impedance
B The ratio of its termination impedance to its characteristic impedance
C The velocity of a wave in the transmission line multiplied by the velocity of light in a vacuum
D The velocity of a wave in the transmission line divided by the velocity of light in a vacuum
Correct Answer: The velocity of a wave in the transmission line divided by the velocity of light in a vacuum