Look at this figure, Consider a 1 m rod with a charge of 3q, sketch the Ei vectors and En vector

FIGURE 23.5 The dipole electric field at two points. E + E. > E. .. .) Edipole because the The dipole electric field + charge is cat this point is in the closer. positive y-direction. E The dipole electric field at this point is in the + 9 + negative y-direction. X + Edipole A dipole q has no net charge