Using the R-L graph for a long conducting cylindrical wire with the diameter of

Question

Using the R-L graph for a long conducting cylindrical wire with the diameter of D 0.149+-0.0095 mm, calculate the value of the resistivity in Ohm-m, if the slope is S-4.985 +/-0.0482. Express the answer (without the unit) to three significant figures. Tip: you can use scientific/exponential notation to represent numeric values. Eg., -0.0001 can be written as 1.0e-4 or as 1.0E-4. Spaces are not allowed. Linear Fit for. Dala Set | Resistance b (Y-Intercept) Correlation: 1.000 RMSE: 0.01323 Length (m)

Explanation / Answer

For R-L graph

Slope =resistivity/area

Area=pi*(radius)^2=2.34*10^(-4) m^2

Resistivity=slope*area=1.17*10^(-3)

1.17E-3

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