Dipole Movement

Introduction to Dipole Movement:

A dipole is nothing but a kind of pole which is made due to the interaction between two charges out of which one is negative and other is positive. The dipole is always formed between two opposite charges rather than two same charges. But practically the free charge is not exists thus dipole is formed between two opposite charged particles.Having problem with Fluid Mechanics Equations keep reading my upcoming posts, i will try to help you.


What actually Dipole Movement is:


Generally no exact definition of the dipole movement exists but any change occurs in the properties of any magnetic material then it is  due to the  dipole movement, thus a dipole movement is nothing but the alignment or realignment of the magnetic dipoles.

In the diamagnetic materials the dipoles are randomly oriented and they collide due to their internal motion and the effect of the one is cancelled by the other. Thus the diamagnetic material has net zero dipole moment.

In the paramagnetic materials the individual atoms has some magnetic moment and when they are placed in the magnetic field then all these dipoles are aligned in the direction of the field which shows the dipole movement in the paramagnetic materials when they placed in the external magnetic field. The dipole movement is possible only in those materials which possess some net dipole moment otherwise the dipole movement is not possible as the case of diamagnetic materials.

In the ferromagnetic materials we do not need any external magnetic field for the movement of the dipoles because they are move either the magnetic field is present or not and due to these motions of dipoles the ferromagnetic materials formed the domains and each domain possess some net dipole moment hence the ferromagnetic material are having a good value of net dipole moment.

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Conclusion for Dipole Movement:


The movement of dipole starts when there are some properties of a material is change by any mean i.e. either by applying an electric or magnetic field or by some other factor. The dipoles are exists in both electric as well as magnetic materials but the electric material does not shows the movement of dipole but the same is observed in the magnetic materials.