properties of paramagnetic ,ferromagnetic and diamagnetic substances
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There are three types of magnetic materials:
☆ Diamagnetic materials
☆ Paramagnetic materials
☆ Ferromagnetic materials
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■ DIAMAGNETIC MATERIALS:
The materials which gets feebly magnetised in a direction opposite to that of magnetic field are called Diamagnetic materials.
They have a tendancy to move from strong magnetic field to weaker magnetic field when placed in a non uniform magnetic field.
Example: Copper (Cu).
▪ Magnetic field lines are repelled by Diamagnetic materials.
They are own repelled by a magnet.
▪ A Diamagnetic material has orbital magnetic moment equal and opposite to each other.
When they are placed in magnetic field, the electrons moving in direction of magnetic field becomes slow and those which are moving in opposite direction becomes fast.
Every material has Diamagnetic property but in some magnetic materials paramagnetism and ferromagnetism compensates them.
》》 In magnetically levitated trains, the super Diamagnetic behaviour is used. These materialscompletely repel the magnetic field lines.
~~~~~~~~~~~~~~~~~~~~~~~~~
■ PARAMAGNETIC MATERIALS:
These materials get feebly magnetised in the direction of magnetic field.
These materials move from weaker magnetic field to a region of stronger magnetic field.
They are attracted by a magnet.
They attract the magnetic field lines but only one part in 10^5.
Individual dipole moments of Paramagnetic material has some value but net dipole moment of all domains is zero.
》》 The temperature below which material does not show Paramagnetic behaviour is called Curie temperature.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
■ FERROMAGNETIC MATERIALS:
These materials are strongly magnetised in the direction of magnetic field.
These materials move from a region of weaker magnetic field to a region of stronger magnetic field with a large force.
These materials attract the magnetic field lines strongly.
These materials are strongly attracted by a magnet.
In Ferromagnetic materials domains help each other or cooperate with each other in increasing the dipole moment in the direction of magnetic field.
The domain size keeps on increasing and forms a single domain with a large dipole moment.
=====================
☆☆ HOPE IT HELPS!!! ☆☆
There are three types of magnetic materials:
☆ Diamagnetic materials
☆ Paramagnetic materials
☆ Ferromagnetic materials
====================
■ DIAMAGNETIC MATERIALS:
The materials which gets feebly magnetised in a direction opposite to that of magnetic field are called Diamagnetic materials.
They have a tendancy to move from strong magnetic field to weaker magnetic field when placed in a non uniform magnetic field.
Example: Copper (Cu).
▪ Magnetic field lines are repelled by Diamagnetic materials.
They are own repelled by a magnet.
▪ A Diamagnetic material has orbital magnetic moment equal and opposite to each other.
When they are placed in magnetic field, the electrons moving in direction of magnetic field becomes slow and those which are moving in opposite direction becomes fast.
Every material has Diamagnetic property but in some magnetic materials paramagnetism and ferromagnetism compensates them.
》》 In magnetically levitated trains, the super Diamagnetic behaviour is used. These materialscompletely repel the magnetic field lines.
~~~~~~~~~~~~~~~~~~~~~~~~~
■ PARAMAGNETIC MATERIALS:
These materials get feebly magnetised in the direction of magnetic field.
These materials move from weaker magnetic field to a region of stronger magnetic field.
They are attracted by a magnet.
They attract the magnetic field lines but only one part in 10^5.
Individual dipole moments of Paramagnetic material has some value but net dipole moment of all domains is zero.
》》 The temperature below which material does not show Paramagnetic behaviour is called Curie temperature.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
■ FERROMAGNETIC MATERIALS:
These materials are strongly magnetised in the direction of magnetic field.
These materials move from a region of weaker magnetic field to a region of stronger magnetic field with a large force.
These materials attract the magnetic field lines strongly.
These materials are strongly attracted by a magnet.
In Ferromagnetic materials domains help each other or cooperate with each other in increasing the dipole moment in the direction of magnetic field.
The domain size keeps on increasing and forms a single domain with a large dipole moment.
=====================
☆☆ HOPE IT HELPS!!! ☆☆
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