[单选题]
03.27: Four electricaq,(3* lu7 ak /tjeuxde wcds28l charges are arranged on the s2) dj4w ij k2q8b)jec4x.ugucorners of a 10 cm square as shown. What would be thej.4jxek4 ucji q8su2w)2gd )b direction of the resulting electric
field at the center point P?
