How do electric rails work?

Question by John S: How do electric rails work?
I’ve looked online but all its given me is the history of electric trains. I just want how something is propelled using electricity and a wire.

Best answer:

Answer by WaMSie
What sort of detail do you want? The rails that the train runs on provides one side of an electric circuit, a third rail or overhead lines provide the other side. The electricity is used to change a battery and run electric motors that drive the train.

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