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单词 Carey–Foster bridge
释义
Carey–Foster bridge

Electronics and Electrical Engineering
  • A modification of the Wheatstone bridge that measures the difference in resistance between two nearly equal resistances. The resistances are placed in the ratio arms of the bridge and the balance point found on a slide-wire. The resistances are then switched and a new balance point found. The resistance difference is proportional to the distance between the balance points.


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