Exam RCDD-001 All QuestionsBrowse all questions from this exam
Question 9

A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is __________, where c is the velocity of light in free space.

    Correct Answer: C

    A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is approximately 0.6 times the speed of light in free space. This falls within the typical range for such cables.

Discussion
waldo31

Typical values range from .56c to .74c for 100ohm balanced twisted pair cable.

CUB90

TDMM page 1-60 (Nominal Velocity of Propagation)