What is the electric field at a distance z above the mid point between two equal charge (q), a distance d apart (fig.). p edu z d/2 d/2 +q

3q 647TE a Example: 4 What is the electric field at a distance z above the mid point between two equal charge (q), a distance d apart (fig.). P Edu Z d/2 d/2 +q +9 -d-