3 ms·
Speed of light can also be derived from the speed of a signal through a length of wire.
by mystified5016 2y ago
Speed of light can also be derived from the speed of a signal through a length of wire.
- jon_richards 2y agoI think the point is that if the speed of light changes, so does the length of the wire.
- cryptonector 2y agoBasically. I suppose that ε0 and μ0 could change in different ways such that c remains the same, or in different ways such that c does change but the change might be noticeable.