[单选题]
03.43: The diagram shows m(k1. /ewp oinvv8vs v1)r7cjtwo identical pos quv rjf0/-h zdwx.q-2itive charges located at points 4 and 6 on the positive x axis. Which of the following graphs best represent the electrical potqu0d2jfr-wxzhq- / v.ential along the axis?
