[单选题]
A 1.0-mm diameter copper wire (resistu3,e*b u; j,zc,slybtwzd4:v xh l5 ;,;xs juhp:;gixivity $1.68 \times 10^{-8} \; \Omega \cdot m$) carries a current of 15 A. What is the potential difference between two points 100 m apart?
A. $12 \; V$
B. $23 \; V$
C. $32 \; V$
D. $41 \; V$
