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.

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References in periodicals archive

It is only briefly mentioned that the ratio of the output voltage to the supply voltage is two times greater in the Anderson's loop than in the Wheatstone's bridge (at equal power dissipation in its elements).

In the case of the Wheatstone's bridge circuit, the current of the supply source [bar.J] was measured in the same way.

Comparative evaluation of the two current source supplied strain gauge bridge

Wheatstone's bridge is one of basic and well known measurement tool.

Unconventional double-current circuit for deflection and temperature simultaneous measurement

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