Space charge

Space charge refers to the collection of electrons which are emitted from the metal surface, after the application of tube current, at a short distance away from the metal surface.

These electrons collect and form a cloud of charge around the metal surface. This space charge limits the further emission of electrons from the surface and is referred to as the space charge effect.

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Article information

rID: 29786
Section: Physics
Synonyms or Alternate Spellings:
  • Space charge effect

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