V1[v_,x_, xs_, y_, ys_]:=v/((x-xs)^2+(y-ys)^2)^0.5

Plot3D[V1[0.2,x,0,y,0],{x,-0.1,0.1},{y,-0.1,0.1}]

Plot3D[V1[0.2,x,0.03,y,0]+V1[-0.2,x,-0.03,y,0],{x,-0.1,0.1},{y,-0.1,0.1}]