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9 July, 03:39

How does electricity work in a vacuum

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  1. 9 July, 03:45
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    Electricity is a flow of electrons. Electrons can flow across a vacuum ... They need to leap because the vacuum is a perfect insulator and so there is no medium in which they can flow (like through a metal conductor) so they must aquire all of the energy necessary to cover the distance before they can escape the cathode.
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