Skip to main content
4 events
when toggle format what by license comment
Jan 14, 2017 at 15:33 comment added David Richerby How does the lamp that's 90m from the switch "know" that the switch has closed at the same time as the lamp that's only 10m away from it? Wouldn't that require something to travel faster than the speed of light?
Jan 14, 2017 at 0:59 comment added bitsmack (-1) This is only true on average (in steady state). In very short time frames the voltage wavefronts (and their resulting currents) travel along the cable.
Jan 13, 2017 at 20:42 review First posts
Jan 13, 2017 at 20:43
Jan 13, 2017 at 20:41 history answered guest695325 CC BY-SA 3.0