Question

Diffrence between dia,para and ferromagnetic material.

Answer 1

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$\textbf{Answer}$:

$\huge{Diamagnetic\: Material}$:

$<b>$
➡The Diamagnetic substances are those in which molecule do not possess any net magnetic moment own.

➡These substances are feabily magnetised in a direction opposite to the magnetic field.

➡When Diamagnetic substances is suspended in a uniform magnetic field, they set their axis at right angle to the magnetic field.

➡These substances have tendency to move from stronger part to the magnetic field to weaker part.


$\huge{Paramagnetic\: Material}$:

➡These substances are those in which molecules has a net non - zero magnetic moment of its own

➡Paramagnetic material get magnetised in direction of the magnetic field.

➡When paramagnetic material is suspended in a uniform magnetic field, they set their axis in the direction of the magnetic field.

➡These substances have a tendency to form weak to strong magnetic field.


$\huge{Ferromagnetic\: Material}$:

➡These substances are those in which molecules has a net non - zero magnetic moment of its own.

➡They are strongly magnetised in the direction of magnetic field.

➡They also set their axis in the direction of magnetic field when suspended in a uniform magnetic field.

➡These substances move from weak to strong magnetic field.

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Answer 2

${\Large{\textbf{\underline{Answer:-}}}}$

$\Large\bf{Paramagnetism}$

Paramagnetism is a form of magnetism whereby some materials are weakly attracted by an externally applied magnetic field and form internal induced magnetic fields in the direction of the applied magnetic field.

Examples of paramagnetic substances/materials include:

Aluminium

Platinum

Manganese

Chromium

Titanium

Sodium

Calcium

Lithium

Tungsten

Niobium

Copper chloride

Crown glass

Oxygen etc.

$\Large\bf {Diamagnetism}$

Diamagnetism is a very weak form of magnetism that is induced by a charge in the orbital motion of electrons due to an applied magnetic field. This magnetism is nonpermanent and persists only in the presence of an external field. The magnitude of the induced magnetic moment is very small and its direction is opposite to that of the applied field.

Examples of diamagnetic materials/substances include:

Bismuth

Antimony

Copper

Marble

Zinc

Graphite

Silver

Nitrogen

Gold

Quartz

Mercury

Water

Alcohol

Air

Hydrogen etc.

$\Large\bf{Ferromagnetism}$

Ferromagnetism can be described as a physical phenomenon in which certain materials attain permanent magnetism or they acquire attractive powers. It is also described as a process where some of the electrically uncharged materials attract each other strongly. Ferromagnetism is a property that considers not only the chemical composition of a material but also takes into consideration the microstructure and crystalline structure.

Examples of Ferromagnetic substances/materials include:

Iron

Cobalt

Nickel

Gadolinium

Metallic alloys

Rare earth magnets