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an example of the faraday's law of inductionAccording to the Faraday’s Law of Induction, when an electric circuit moves into a magnetic field which results in the magnetic flux increase through the circuit, it will induce a current or an electromotive force (EMF) to create an opposite magnetic field in order to decrease the magnetic flux. Conversely, when a current passes through an electric circuit in a magnetic field which results in the magnetic flux change through the circuit, it will produce a torque or force to rotate the circuit in order to compensate for the magnetic flux change. The Faraday’s Law of Induction establishes the fundamentals of generators and motors. As permanent magnets are some materials that produce a persistent magnetic field after magnetization with an applied magnetic field, so they can provide the magnetic field for various permanent magnet motors and generators.

Besides, there are other physical principles or magnetic effects. A magnetic field will interact with a charged particle to change its state (such as speed, frequency and kinetic energy, etc). A magnetic field or a magnetic pole will interact with another magnetic pole to convert electrical energy or magnetic energy into kinetic energy or potential energy. A magnetic field will interact with a substance to change its microstructure (such as magnetic order, molecular bond and association, etc).

With over a decade’s growth and accumulation in the permanent magnet industry, HGT is able to provide high performance custom magnets and/or provide feasible solutions to various magnets' applications including direct current (DC) motors, synchronous motors, servo motors, stepper/stepping motors, voice coil motors (VCMs), linear motors, spindle motors, starter motors, rotor assemblies, electric power steering (EPS), wind turbines and generators, travelling wave tubes (TWTs), circulators, isolators, magnetic couplings, magnetic bearings, Hall effect sensors, power tools, Hall arrays, magnetic separation assemblies and equipments, instruments and meters, magnetic levitation, magnetic resonance imaging (MRI) and medical, etc.