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Exactly: the signal propagation speed from turning on the switch arrives at the lightbulb at a high fraction of the speed of light. The actual charge carriers take a lot longer. My own preferred analogy is a bicycle chain: pressing on the pedals transfers energy to the back wheel almost immediately, you don't have to wait for individual links to reach the back wheel. And the disposition of electrons is a lot closer to the rigidity of a chain. Just as with the links, each exerts a force on the next.

On electronics.stackexchange we battle this misconception a lot, e.g. https://electronics.stackexchange.com/questions/245610/is-vo...

For almost all practical purposes you should ignore electrons when doing electronics. They're only relevant in detailed theoretical analysis of semiconductors, or (as per article) in vacuum tubes and related items (VFD displays, CRTs).

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