Question
Download Solution PDFThe unit of magnetisation is _____________.
This question was previously asked in
RPF Constable 2024 Official Paper (Held On 02 Mar, 2025 Shift 2)
Answer (Detailed Solution Below)
Option 2 : ampere/metre
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General Science for All Railway Exams Mock Test
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Detailed Solution
Download Solution PDFThe correct answer is ampere/metre.
Key Points
- The unit of magnetisation in the International System of Units (SI) is ampere per metre (A/m).
- Magnetisation describes the magnetic moment per unit volume of a material.
- It is represented by the symbol 'M'.
- Magnetisation is a vector quantity and has both magnitude and direction.
Additional Information
- Magnetic Moment
- The magnetic moment is a measure of the strength and direction of a magnetic source.
- It is typically measured in units of A·m² (ampere square meters).
- Magnetic Field
- A magnetic field is a vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.
- It is measured in teslas (T) in the SI system.
- Magnetic Susceptibility
- It is a measure of how much a material will become magnetised in an applied magnetic field.
- It is a dimensionless quantity.
- Magnetic Flux
- Magnetic flux is the measure of the quantity of magnetism, considering the strength and extent of a magnetic field.
- It is measured in webers (Wb).
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