# What is the magnetic field inside a cylinder?

• Jefferson Yun
In summary, a magnetic field is a region of space where a magnet or other material experiences a force of attraction or repulsion, created by moving electric charges. It can be measured using a magnetometer, with units of tesla (T) or gauss (G). The magnetic field inside a cylinder is created by the flow of electric charges, and its strength is affected by the magnitude of the current, distance from the center, and magnetic properties of the material. While similar to other shapes, the direction and strength of the magnetic field inside a cylinder may differ depending on its specific shape and orientation.
Jefferson Yun
The axis of the cylinder is perpendicular(not parallel) to M, magnetization. It's not hard to find bound surface current density, but it depends on the angle while the answer says the magnetic field is uniform inside the cylinder.
Anyone can silve this problem??

It can't depend on angle, due to symmetry. Smyrhe solves this problem exactly in his classic text.

## 1. What is a magnetic field?

A magnetic field is a region of space in which a magnet or other material experiences a force of attraction or repulsion. It is created by moving electric charges and is characterized by its strength and direction.

## 2. How is a magnetic field measured?

A magnetic field can be measured using a magnetometer, which detects the strength and direction of the magnetic field. The unit of measurement for magnetic field is tesla (T) or gauss (G).

## 3. How is the magnetic field inside a cylinder created?

The magnetic field inside a cylinder is created by the movement of electric charges, such as the flow of electric current. The direction and strength of the magnetic field can be determined by the direction and magnitude of the current.

## 4. What factors affect the strength of the magnetic field inside a cylinder?

The strength of the magnetic field inside a cylinder is affected by the magnitude of the current flowing through the cylinder, the distance from the center of the cylinder, and the magnetic properties of the material inside the cylinder.

## 5. How does the magnetic field inside a cylinder differ from other shapes?

The magnetic field inside a cylinder is similar to other shapes, such as a sphere or a cube, in that it is created by the flow of electric current. However, the specific direction and strength of the magnetic field may differ depending on the shape and orientation of the object.

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