A wire of initial length l0 and radiusr0 has a measured
A wire of initial length L0 and radiusr0 has a measured resistance of 4.0 . The wire isdrawn under tensile stress to a new uniform radius of r =0.45r0. What is the new resistance of the wire?
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a wire of initial length l0 and radiusr0 has a measured resistance of 40 the wire isdrawn under tensile stress to a
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