One application of magnetic fields in household appliances.

One thing that uses magnetic fields is the electric motor, which is used in many household appliances, such as electric fans, microwave ovens, and other small appliances. In this instance the electric motor has an electric current, giving it also this magnetic field. An electric motor converts electricity into mechanical motion. Most electric motors work by electromagnetism, but motors based on electrostatic forces also exist. The overarching concept is that a force is generated when a current-carrying element is subjected to a magnetic field. In a cylindrical motor, the rotor rotates because a torque is developed when this force is applied at a given distance from the axis of the rotor. Most electromagnetic motors are rotary, but†¦show more content†¦The fundamental principle upon which electromagnetic motors are based is that there is a mechanical force on any wire when it is conducting electricity while contained within a magnetic field. The force is described by the Lorentz force law and is perpendicular to both the wire and the magnetic field. In a rotary motor, there is a rotating element, the rotor. The rotor rotates because the wires and magnetic field are arranged so that a torque is developed about the rotors axis. In physics, magnetism is a phenomenon by which materials exert an attractive or repulsive force on other materials. ... An electrostatic motor or capacitor motor is a type of electric motor based on the attraction and repulsion of electric charge. ... Piezoelectricity is the ability of certain crystals to produce a voltage when subjected to mechanical stress. ... In physics, the Lorentz force is the force exerted on a charged particle in an electromagnetic field. ... Most magnetic motors are rotary, but linear types also exist. In a rotary motor, the rotating part (usually on the inside) is called the rotor, and the stationary part is called the stator. 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