Typical terms in Magnetisation💥Part 2/3 Chapter 5 Magnetism & Matter 💥CBSE Class 12 Physics

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Class 12 Physics
NCERT Chapter 5 Magnetism & Matter
Magnetism & Matter
Magnetization of materials
Important terms Like Magnetising field
Magnetic Induction
Magnetising Field Intensity
Intensity of Magnetisation
Magnetic permeability
Relative Permeability
Relation between magnetic permeability & Magnetic Susceptibility.



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Chap 5: part 2 Magnetism & matter

00:00:00 introduction
00:04:58 some important term used to describe magnetic properties of materials
00:05:00 Magnetising Field
00:09:08 MAGNETIC INDUCTION
00:16:20 MAGNETISING FIELD INTENSITY:
00:19:58 INTENSITY OF MAGNETISATION:
00:34:04 MAGNETIC PERMEABILITY:
00:36:43 RELATIVE PERMEABILITY
00:39:22 MAGNETIC SUSCEPTIBILTY:
00:41:01 Relation between magnetic permeability and magnetic susceptibility

The concepts related to magnetism and matter for Class 12. Let's start with the important terms.

1. Magnetizing Field: The magnetizing field is the magnetic field that is applied to a material to magnetize it. It is denoted by the symbol H and is measured in amperes per meter (A/m).

2. Magnetic Induction: Magnetic induction, denoted by the symbol B, refers to the magnetic field strength inside a material when it is magnetized. It is also known as magnetic flux density and is measured in teslas (T).

3. Magnetizing Field Intensity: Magnetizing field intensity, denoted by H, is the measure of the strength of the magnetizing field. It is related to the magnetization of the material and is expressed in amperes per meter (A/m).

4. Intensity of Magnetization: The intensity of magnetization, denoted by M, represents the magnetic dipole moment per unit volume of a material when it is magnetized. It is measured in amperes per meter (A/m).

5. Magnetic Permeability: Magnetic permeability, denoted by μ, is a property of a material that determines how easily it can be magnetized. It is a measure of the material's ability to conduct magnetic lines of force and is expressed in henries per meter (H/m).

6. Relative Permeability: Relative permeability, denoted by μᵣ, is the ratio of the magnetic permeability of a material to the magnetic permeability of free space (μ₀). It quantifies how much a material can concentrate magnetic lines of force compared to free space.

Now, let's discuss the relation between magnetic permeability and magnetic susceptibility.

Magnetic susceptibility (χ) is a dimensionless quantity that measures the extent to which a material can be magnetized by a magnetic field. It represents the magnetic response of a material to an applied magnetic field. Magnetic susceptibility is related to magnetic permeability through the equation:

I hope this explanation helps you understand the concepts of magnetization of materials and the related terms. If you have any more questions, feel free to ask!