Physics, 02.08.2019 16:00 carmenala2
Awire of length l and cross-sectional area a has resistance r. part a what will be the resistance rstretched of the wire if it is stretched to twice its original length? assume that the density and resistivity of the material do not change when the wire is stretched. express your answer in terms of the wire's original resistance r.
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Awire of length l and cross-sectional area a has resistance r. part a what will be the resistance rs...
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