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Homework Help: Strain Gauge

  1. May 15, 2009 #1
    A strain gauge has a unstrained resistance of 120 ohms, guage factor of 2.0 is connected to steel girder so it experieces tensile stress. If strained resistance of gauge is 120.13 ohm. How do i calculate the tensile stress value?

    I have looked all over the internet for equations relating but have not succeded, any help would be great
  2. jcsd
  3. May 16, 2009 #2
    If you look at the link it might help ....

    http://en.wikipedia.org/wiki/Strain_gauge" [Broken]
    Last edited by a moderator: May 4, 2017
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