Wheatstone bridge

The equation to calculate the unknown resistance when the galvanometer reads 0 is R_u

= (

^R₂/_R₁

) R_v.

Wheat·stone bridge

(wēt′stōn′, hwēt′-) also Wheat·stone's bridge (-stōnz′)

An instrument or a circuit consisting of four resistors or their equivalent in series, used to determine the value of an unknown resistance when the other three resistances are known.

[After Sir Charles Wheatstone (1802-1875), British physicist and inventor.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Wheatstone bridge

(ˈwiːtstən)

(General Physics) a device for determining the value of an unknown resistance by comparison with a known standard resistance

[C19: named after Sir Charles Wheatstone (1802–75), British physicist and inventor]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Wheat′stone bridge`

an electrical circuit that measures resistance comparatively.

[1870–75; after C. Wheatstone]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

Wheatstone bridge - a bridge used to measure resistances

bridge circuit, bridge - a circuit consisting of two branches (4 arms arranged in a diamond configuration) across which a meter is connected

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References in periodicals archive

Section 4 closes with a comparison of several device shapes versus Wheatstone bridge circuits of resistor stripes in orthogonal directions: which one has the largest sensitivity to mechanical stress?

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In an electrical circuit, what does a Wheatstone bridge measure?

QUIZ OF THE DAY

a two-current-source bridge [1], a Wheatstone bridge [2]-[4] and an Anderson's loop [5].

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A In a polished jewel B In a tree trunk C In the structure of an eye D In an aquarium QUESTION 13 - for 13 points: What is measured by a Wheatstone Bridge? A Eyesight B Cracks in brickwork C Faults in the earth's crust D Electrical resistance QUESTION 14 - for 14 points: Who was the prime mover in the foundation of the London Zoo in Regent's Park?

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As shown in Figure 3, the Wheatstone bridge circuit, traditionally used with strain gages, is deceptively simple.

Gauging the strain

The piezoresistors are connected in the form of Wheatstone bridge and results in a sensitivity of 0.25 mv/[micro]m when a 5V supply is used.

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The output of Wheatstone bridge is differential voltage signal; this small differential voltage requires amplification to reach the levels required for ADC for increased sensitivity and filtering to remove the noise as shown in Figure 4.

Theoretical and linearity analysis for pressure sensors and communication system development

The four strain gauges are electricaly coupled to a wheatstone bridge (Fig.

Research of vibrations in induction machines during transient processes using a ferraris sensor/Indukciniu masinu vibraciju pereinamuju procesu metu tyrimas ferrario jutikliu