Question 1 Report
The resistance of a 5m uniform wire of cross-sectional area 0.2 x 10-6m2 is 0.425. What is the resistivity of the material of the wire?
Answer Details
Resistivity = Resistance x AreaArea Resistance x Area A r e a
= 0.425 x 0.2 x 10-6
= 1.7 x 10-8Ω Ω m