Two short dipoles having dipole moment P_1 and P_2 are placed such that their axis are parallel to each other as shown in the figure,if seperation between them is r,magnitude of force experienced by P_1due to P_2 is?

Two short dipoles having dipole moment P_1 and P_2 are placed such tha

1.	Two short dipoles having dipole moment P_1 and P_2 are placed such that their axis are parallel to each other as shown in the figure,if seperation between them is r,magnitude of force experienced by P_1due to P_2 is?
Answer» Two short dipoles having dipole moment P_1 and P_2 are placed such that their axis are parallel to each other as shown in the figure,if seperation between them is r,magnitude of force experienced by P_1due to P_2 is?