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A 350 ohm strain gage having G = 2:1 is attached to an aluminum strut (E = 73 GPa). The outside diameter of the

A 350 ohm strain gage having G = 2:1 is attached to an aluminum strut (E = 73 GPa). The outside diameter of the strut is 50 mm and the inside diameter is 47.5 mm. Calculate the change in resistance when the strut supports a 1000 kg load.

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