principle of wheatstone bridge?
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A Wheatstone bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridgecircuit, one leg of which includes the unknown component. ... One of the Wheatstone bridge's initial uses was for the purpose of soils analysis and comparison.
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↝In the balanced situation of bridge.
P/Q = R/S
↝It was developed to calculate the value of an unknown resistance.
↝It's a bridge in which a galvanometer with four resistance are arranged.
↝The Potential difference two points in it is Zero and There is no flow of current.
✧✧Samuel Hunter christie invented this "Wheatstone Bridge" in 1833
But ,
✧✧Chearles Wheatstone improved this invention "Wheatstone Bridge" in 1843.
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