calculate the resistance of a copper wire 1 km long and 0.50 mm diameter if the resistivity of copper is 1.7 into 10 to the power minus 8 ohm m
Answers
Answered by
2
Resistance is given as
R = ρ L / A
= ρ L / (π R²)
= 1.7 × 10^-8 × 1000 / (π × (0.5/2 × 10^-3)^2))
= 86.58 Ω
∴ Resistance of copper wire is 86.58 Ω
R = ρ L / A
= ρ L / (π R²)
= 1.7 × 10^-8 × 1000 / (π × (0.5/2 × 10^-3)^2))
= 86.58 Ω
∴ Resistance of copper wire is 86.58 Ω
Similar questions