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Lab Room |
Apparatus Map |
Strain Gauges |
Single Arm Active Bridges |
It can also be shown that . . .
It can also be shown that . . .
Recalling that the change in resistance of a conductor is linearly related to the strain by:
(1") ![](graphics/sg_5y1.gif)
(Equation 2 of the Theory of Operation of Strain Gauges).
Rearrange Equation 1" into the form:
(2") ![](graphics/sg_5y2.gif)
and substitue into Equation 1
(1) ![](graphics/sg_5y3.gif)
which yields:
(3") ![](graphics/sg_5y4.gif)
Which can be rearranged to yield:
(2) ![](graphics/sg_5y5.gif)
Last Updated: January 16, 2000, beam@bits.me.berkeley.edu
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Original WWW Conversion by Winston Wang, 1994
WWW ReConversion by Brandon Muramtasu, 2000