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  • A field coil is a type of coil used in electrical machines, such as generators and motors, to produce a magnetic field.

  • It consists of a coil of wire wound around a central core of ferromagnetic material.

  • When an electrical current is passed through the wire, a magnetic field is generated in the core, which can then interact with the magnetic field produced by the armature or rotor to create motion.

  • Field coils are used in a wide range of applications, including electric cars, industrial machinery, and power plants.

  • They come in various sizes and shapes to suit different machine designs and operating conditions, and can be made from different materials, such as copper, aluminum, or silver.


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