A process where a system stimulates or activates itself, especially in electrical or neural systems where feedback creates increasing activity.
From 'auto-' (self) and 'excitation' (from Latin 'excitare,' to stir up). This technical term is used in physics, electronics, and neuroscience.
Autoexcitation is the principle behind how electrical generators work—a tiny bit of magnetism creates a current, which strengthens the magnetism, which creates more current, in a self-boosting loop that seems almost magical!
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