Two charges are shown in the box. Click inside the box to draw the electric field
lines. From your knowledge of the relationship between electric field lines and
equipotential surfaces, write down what you think the equipotential surfaces for these two
charges are like. Remember to allow time for the program to plot the field line before you
click again. Start
Followup: Once you have written your answer, check yourself by clicking here. Then click to create new electric field lines. Check yourself