Physics, asked by chauhanbrij76brij, 1 year ago

calculate the resistivity of the material of wire 1.0m long and 0.4mm in diameter and having a resistance of 2 ohm

Answers

Answered by patel25
1
R=(resistivity)*length/area

Resistivity=RA/L

                    = R*pie *r^2/L

                     =1.256x10^-3.  Ohm-m

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