magnetic fields - magnetic field for dummies : 2024-10-30 magnetic fieldsA magnetic field (sometimes called B-field ) is a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular to its own velocity and to the magnetic field. A permanent magnet's . See more magnetic fieldsElektrosistēma. Noderīga informācija par Volga Gaz-21 - vēsture modifikācijas tehniskie dati restaurācija detaļas
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magnetic fieldsThe force on an electric charge depends on its location, speed, and direction; two vector fields are used to describe this force. The first is the electric field, which describes the force acting on a stationary charge and gives . See moreCurrents of electric charges both generate a magnetic field and feel a force due to magnetic B-fields.Magnetic field due to moving charges and electric currentsAll moving charged particles produce magnetic fields. . See moreEnergy is needed to generate a magnetic field both to work against the electric field that a changing magnetic field creates and to change the magnetization of any material within the . See more
magnetic fieldsPermanent magnets are objects that produce their own persistent magnetic fields. They are made of ferromagnetic materials, such as iron and nickel, that have been magnetized, and they have both a north and a south pole.The magnetic field . See moreForce between magnetsSpecifying the force between two small magnets is quite complicated because it depends on the strength and orientation of both magnets and . See moreThe formulas derived for the magnetic field above are correct when dealing with the entire current. A magnetic material placed inside a magnetic . See moreLike all vector fields, a magnetic field has two important mathematical properties that relates it to its sources. (For B the sources are currents and . See more Learn about magnetic fields, their sources, and their effects on charged particles and magnets. Explore the concepts of magnetic .If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are .
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magnetic fields