"Here is another way to think about current flow. Its the "pipe and ball" analogy for conductors. A
conductor is like a pipe full of electrons. If an electron is pushed into one end of the pipe, another
electron must fall out at the other end. Think of electron flow through a wire as balls traveling through a pipe, not like an empty pipe that electrons "fall" through "
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Please review the linked page for context.
If you can think of something better than this,
please add it to the database