Figure 1 shows a pair of parallel, vertical metal plates, X X\,X and YYY, separated by an air gap. Plate X X\,X is connected to a +5.0 kV+5.0\text{ kV}+5.0 kV DC supply, and plate Y Y\,Y is connected to earth (0 V).
On Figure 1, draw at least four electric field lines to show the shape and direction of the electric field in the region between the plates.