Polarisation of magnetic field

Thread starter gokhul
Start date Nov 12, 2015
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Field Magnetic Magnetic field Polarisation

In summary, polarisation of magnetic field refers to the alignment of a magnetic field, which can occur naturally or artificially. It is caused by the movement of charged particles and is different from polarisation of electric field. This process is important in various applications and can be changed through external magnetic fields or manipulation of charged particles.

Nov 12, 2015

gokhul

Does magnetic field of lightgets polarised when electric field polarised when passed through a polariser

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Nov 12, 2015

DrClaude

Mentor

The magnetic component of an electromagnetic wave is always perpendicular to the electric component. See Maxwell's equations.

1. What is polarisation of magnetic field?

Polarisation of magnetic field refers to the process of aligning the direction of a magnetic field. This can occur naturally in certain materials, or it can be induced artificially through the use of external magnetic fields.

2. How does polarisation of magnetic field occur?

Polarisation of magnetic field can occur through the movement of charged particles, such as electrons, in a material. When these particles move in a particular direction, they create a magnetic field with a specific orientation.

3. What is the difference between polarisation of electric field and polarisation of magnetic field?

Polarisation of electric field refers to the alignment of electric dipoles in a material, while polarisation of magnetic field refers to the alignment of magnetic dipoles. Electric dipoles are formed by the separation of positive and negative charges, while magnetic dipoles are formed by the alignment of magnetic moments.

4. Why is polarisation of magnetic field important?

Polarisation of magnetic field is important in many applications, such as in the production of electricity, electromagnetic devices, and medical imaging. It also plays a crucial role in understanding the behavior of magnetic materials and the properties of magnetic fields.

5. Can the polarisation of magnetic field be changed?

Yes, the polarisation of magnetic field can be changed by applying external magnetic fields or by manipulating the movement of charged particles in a material. This allows for the control and manipulation of magnetic fields, which is essential in many technological advancements.