Physics, 14.03.2020 04:00 ani61

A ductile metal wire has resistance RRR. What will be the resistance of this wire in terms of RRR if it is stretched to three times its original length, assuming that the density and resistivity of the material do not change when the wire is stretched. (Hint: The amount of metal does not change, so stretching out the wire will affect its cross-sectional area.)

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A ductile metal wire has resistance RRR. What will be the resistance of this wire in terms of RRR if...

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