Comment by connicpu
7 months ago
~200,000km/s is the speed of light in fiber optics. Electromagnetic propagation in copper is more like 99% c.
7 months ago
~200,000km/s is the speed of light in fiber optics. Electromagnetic propagation in copper is more like 99% c.
The insulating material significantly decreases the propagation speed: https://en.wikipedia.org/wiki/Velocity_factor#Typical_veloci...