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2. Magnetic levitation - Wikipedia

   en.wikipedia.org/wiki/Magnetic_levitation

   To calculate the magnetic field generated by permanent magnets, we can use an approach based on the Biot-Savart law applied to finite-size rectangular current sheets. This method involves modeling the magnets as an assembly of such sheets, allowing for the calculation of the three components of the magnetic field B ⃗_z at any point in space.

3. Magnet - Wikipedia

   en.wikipedia.org/wiki/Magnet

   A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets. A permanent magnet is an object made from a material ...

4. Halbach array - Wikipedia

   en.wikipedia.org/wiki/Halbach_array

   A Halbach array (German: [ˈhalbax]) is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side. [ 1 ][ 2 ] This is achieved by having a spatially rotating pattern of magnetisation. The rotating pattern of permanent magnets (on the front face ...

5. Ferrite (magnet) - Wikipedia

   en.wikipedia.org/wiki/Ferrite_(magnet)

   Ferrite (magnet) A stack of ferrite magnets, with magnetic household items stuck to it. A ferrite is one of a family of iron oxide -containing magnetic ceramic materials. They are ferrimagnetic, meaning they are attracted by magnetic fields and can be magnetized to become permanent magnets. Unlike many ferromagnetic materials, most ferrites are ...

6. Coil winding technology - Wikipedia

   en.wikipedia.org/wiki/Coil_winding_technology

   Coil winding technology. In electrical engineering, coil winding is the manufacture of electromagnetic coils. Coils are used as components of circuits, and to provide the magnetic field of motors, transformers, and generators, and in the manufacture of loudspeakers and microphones. The shape and dimensions of a winding are designed to fulfill ...

7. Diamagnetism - Wikipedia

   en.wikipedia.org/wiki/Diamagnetism

   Diamagnetism is the property of materials that are repelled by a magnetic field; an applied magnetic field creates an induced magnetic field in them in the opposite direction, causing a repulsive force. In contrast, paramagnetic and ferromagnetic materials are attracted by a magnetic field. Diamagnetism is a quantum mechanical effect that ...