Electric charge distributed through a region, whose own electric field can alter the motion of further charged particles.
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Space charge refers to a condition in electric fields where a localized distribution of charge exists, affecting the behavior of charged particles in the vicinity. This situation can occur in various contexts, such as in vacuum tubes, semiconductor devices, and plasmas. Here are key points explaining space charge: 1. **Localized Charge Distribution**: Space charge is typically characterized by an excess or deficit of charged particles (such as electrons or ions) in a specific region of space.