Find the resistance of a copper wire of length 2m and area of cross section 1.7 ? 10^6 meter-square. ( Electricity - Class 10 ) Thank you ! Share with your friends Share 0 Rohit Babu answered this Dear Student,Given,l=2m,A=1.7×10-6m2Resistivity of copper is,ρ=1.7×10-8ΩmResistance of the copper wire is,R=ρlA=1.7×10-8×21.7×10-6=2×10-2ΩRegards. 2 View Full Answer Neha Thomas answered this Answer: 0.034 ohms Explanation: Given: Length of the copper wire = 2 metres (l) Resistivity of copper = 1.7×10^-8 To find: Resistance of the copper wire Substituting the values: The resistance of the copper wire is equal to: Resistance = 0.034 ohms The resistance of the copper wire is equal to 0.034 ohms 2
