Magnetic fields generated by the general rotations of a charged rigid body

In summary, a magnetic field is a region in space where magnetic forces can be detected and is created by moving electric charges or certain materials. When a charged rigid body rotates, its charges create a current, producing a magnetic field perpendicular to the direction of rotation and current. A charged rigid body is an object with a net electric charge that maintains its shape and size. The strength of a magnetic field generated by a charged rigid body decreases with distance, following the inverse-square law. Some applications of these magnetic fields include motors, generators, magnetic levitation, and medical imaging.
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andresB
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The calculations for the magnetic field produced by a uniformly rotating charged sphere can be found in basically every book on electrodynamics. I wonder what happen with the magnetic fields produced by rotating rigid solid that also present precession and nutation movements.

The question comes from reading about precession in the rotation of a neutron star
 
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It's complicated, and it will come with the emission of electromagnetic radiation as well. If these processes are slow relative to the rotation then a magnetic field according to the current rotation should be a good approximation near the object.
 
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FAQ: Magnetic fields generated by the general rotations of a charged rigid body

What is a magnetic field?

A magnetic field is a region in space where a force is exerted on a charged particle. It is created by the movement of charged particles, such as electrons, and can be represented by lines of force.

How is a magnetic field generated by a charged rigid body?

A magnetic field is generated by the general rotations of a charged rigid body through the movement of its charged particles. As the body rotates, the charged particles create a magnetic field around the body.

What is the relationship between the strength of a magnetic field and the rotation speed of a charged rigid body?

The strength of a magnetic field generated by a charged rigid body is directly proportional to the rotation speed of the body. This means that the faster the body rotates, the stronger the magnetic field will be.

How does the direction of rotation affect the direction of the magnetic field?

The direction of the magnetic field generated by a charged rigid body is perpendicular to the direction of rotation. This means that if the body is rotating clockwise, the magnetic field will be directed outwards, and if the body is rotating counterclockwise, the magnetic field will be directed inwards.

Can the magnetic field generated by a charged rigid body be manipulated?

Yes, the magnetic field can be manipulated by changing the rotation speed or direction of the charged rigid body. Additionally, external magnetic fields can also interact with the magnetic field of the body, causing it to change or deflect.

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