- #1
fiona_loveroy
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Hello, could someone help on this question??
ok, I'm trying to find out how much a piece of wood expands and contracts with changes in humidity and temperature, I'm sticking a strain gauge on the wood to detect the expansion and contraction of it. my question is if the temperature increase, which makes the wood expand, would the resistance of the strain gauge increase or decrease?? and why??
Thank you
ok, I'm trying to find out how much a piece of wood expands and contracts with changes in humidity and temperature, I'm sticking a strain gauge on the wood to detect the expansion and contraction of it. my question is if the temperature increase, which makes the wood expand, would the resistance of the strain gauge increase or decrease?? and why??
Thank you