A Metallic Conductor Has a Resistivity of 35 × 10−⁶

Multiple Choice

A metallic conductor has a resistivity of 35 × 10−⁶ Ω⋅m.What is the resistance of a piece that is 20 m long and has a uniform cross-sectional area of 4.0 × 10−⁶ m²?

A) 0.44 Ω
B) 180 Ω
C) 2.3 Ω
D) 7.0 Ω
E) 2 800 Ω