A cylindrical permanent magnet is a magnet in the shape of a cylinder that has a magnetic field that does not diminish over time. These types of magnets are commonly used in various applications such as motors, generators, magnetic bearings, and MRI machines. They are usually made of materials such as neodymium or samarium-cobalt, which are known for their strong magnetic properties. The strength of the magnetic field depends on the size and orientation of the magnet, as well as the type of material used. Cylindrical permanent magnets are often used in applications where a strong and reliable magnetic field is required.

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