[单选题]
03.43: The diagram shows twoa6 ijq3nmwbx6p:c6 *o identical positive charges located at points 4 o )od ne y(n j.1cw4hxv4*mk*rand 6 on the positive x axis. Which of the following graphs best represent the electrihx4 *odc nwke.vj1* y (r)m4oncal potential along the axis?
