Wheatstone bridge
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The equation to calculate the unknown resistance when the galvanometer reads 0 is Ru
= (
R2/R1
) Rv.
Wheat·stone bridge
(wēt′stōn′, hwēt′-) also Wheat·stone's bridge (-stōnz′)n.
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)n
(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`
n.
an electrical circuit that measures resistance comparatively.
[1870–75; after C. Wheatstone]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. | 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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