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A Wheatstone bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit, one leg of which includes the unknown component. The primary benefit of the circuit is its ability to provide extremely accurate measurements (in contrast with something like a simple voltage divider ). [ 1 ]
This W3C-invalid circuit diagram was created with the Electrical ... author name string: Rhdv. Wikimedia ... Description=Wheatstone's bridge circuit diagram. ...
A Wheatstone Bridge Circuit for Measuring Resistance: Date: 22 May 2006: Source: Own Work, based on a standard circuit diagram: Author: jjbeard: Permission (Reusing ...
The best-known bridge circuit, the Wheatstone bridge, was invented by Samuel Hunter Christie and popularized by Charles Wheatstone, and is used for measuring resistance. It is constructed from four resistors, two of known values R 1 and R 3 (see diagram), one whose resistance is to be determined R x, and one which is variable and calibrated R 2.
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A standard Wheatstone bridge for comparison. Points A, B, C and D in both circuit diagrams correspond. X and Y correspond to R 1 and R 2, P and Q correspond to R 3 and R X. Note that with the Carey Foster bridge, we are measuring R 1 rather than R X. Let ℓ 1 be the null point D on the bridge wire EF in percent.
The column effluent flows over one of the resistors while the reference flow is over a second resistor in the four-resistor circuit. TCD schematic. A schematic of a classic thermal conductivity detector design utilizing a Wheatstone bridge circuit is shown. The reference flow across resistor 4 of the circuit compensates for drift due to flow or ...
Pages in category "Bridge circuits" ... Wheatstone bridge; Wien bridge; Z. Zobel network This page was last edited on 1 April 2018, at 18:01 (UTC) ...