Question

can electron travel in vacume ?​

Answer 1

Answer:

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.

Explanation:

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Answer 2

Answer:

Electricity is flow of electrons. Electrons can flow across vacuum

Explanation:

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