[单选题]
Two 3.00-mC charges are at the ends off8f);f:y ui7udqqz3 h a meter stick. Find the electrical potenqud iyfh)q:uf83z 7f;1 eb0o19waxkmc6.n4 l or gs:atial for the center of6ag e0b 9la:1.c 4rxokowm1ns the meter stick.
A. zero
B. $2.70 \times 10^{4} \; V$
C. $5.40 \times 10^{4} \; V$
D. $1.08 \times 10^{5} \; V$
