16. 3 The distribution of electric field and calculation @the perpendicular bisector of the dipole E=E+E Qi or d 研F4mr O 4 60y 4 P E B prEy 816.3 The distribution of electric field and calculation 2. The electric dipole in the electric field F DE +2 2=-,xF2=-,x(-QE 0-Q T=1+T ×QE+×QE =Qd×E=p×E11 3 0 3 0 3 0 3 0 3 0 4 4 ( ) 4 ) 4 ( 4 Q y p y Qd r r y Q r Qr r r E E E πε πε πε πε πε r r r r r r r r r = − ≈ − = − = + − = + + − − − + + + − 2the perpendicular bisector of the dipole §16.3 The distribution of electric field and calculation − Q + Q B y +r − r r r o z y E r E+ r E− r d r 2. The electric dipole in the electric field QE d F d r r r r r = × = × 2 2 1 1 τ ( ) 2 2 2 2 QE d F d r r r r r τ = − × = − × − Qd E p E QE d QE d r r r r r r r r r r r = × = × = × + × = + 2 2 1 2 τ τ τ + Q − Q §16.3 The distribution of electric field and calculation