positive feedback (Q918004)

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process that occurs in a feedback loop which magnifies a small disturbance
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positive feedback
process that occurs in a feedback loop which magnifies a small disturbance

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    Stampede loop.png
    360 × 180; 9 KB
    Causal loop diagram that depicts the causes of a stampede as a positive feedback loop. Alarm or panic can sometimes be spread by positive feedback among a herd of animals to cause a stampede. (English)
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    Ideal feedback model.svg
    733 × 269; 994 bytes
    A basic feedback system can be represented by this block diagram. In the diagram the + symbol is an adder and A and B are arbitrary causal functions (English)
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    Positive feedback
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