The Resistivity of a 1

Multiple Choice

The resistivity of a 1.0 m long copper wire is 1.72 × 10^-8 Ω ∙ m and its cross sectional area is 2.0 × 10^-6 m².If the wire carries a current of 0.20 A,what is the voltage across the wire?

A) 17 mV
B) 0.90 mV
C) 1.7 mV
D) 10 mV
E) 90 mV