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About Electromagnets
Electromagnets use electric current to generate a magnetic field which can be turned on or off as needed. They are made from a softer iron which quickly dissipates the induced magnetism after the current is switched off. Electromagnetic strength is dependent on a variety of factors, such as the number of coils in the electrical wire that generates the power, the applied current, and the core material’s magnetic permeability. Categories of electromagnets include flat-faced, parallel pole, standard lifting, suspension, laboratory, and permanent.
Flat-faced electromagnets and parallel-pole magnets are two common types of electromagnets. Flat-faced magnets are used when the entire face of the magnet is in direct contact with a smooth, flat surface. Parallel-pole electromagnets or bi-polar magnets have two widely-spaced poles which allow the magnetic field to have a greater reach. These electromagnets are used when the magnet has only partial contact with the surface. They are also used to handle irregular shapes, or to work through an air gap.
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Engineering Web: Electromagnets
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Electromagnet - Wikipedia, the free encyclopedia 2 How electromagnets work 3 History 4 Analysis of ferromagnetic electromagnets 4.5 Force between electromagnets 5 High field electromagnets |
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Electromagnets Information | Business.com Electromagnets Home » Directory » Featured Listings Buy Electromagnets Shop Edmund Scientific for electromagnets and EMF detectors. See Business.com, Inc. Information |
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Electromagnets Electric Current Measurement Fiber- Optic Links Permanent Magnets Electromagnets & Coils Current Leads, HTS Electromagnet Power Supplies Particle See GMW Associates Information |
