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Magnet - Wikipedia A magnet is a material or object that produces a magnetic field This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc and attracts or repels other magnets
Magnetism | Definition, Examples, Physics, Facts | Britannica Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges It can be an electric current in a conductor or charged particles moving through space, or it can be the motion of an electron in an atomic orbital Learn more about magnetism in this article
How Do Magnets Work? The Physics Behind Magnetism At its core, magnetism is a force—a special kind of interaction between objects that can cause attraction or repulsion without physical contact Magnets produce magnetic fields, invisible regions of influence that can exert forces on other magnets or magnetic materials
The Physics Classroom Tutorial: Magnetic Fields and Electromagnetism . . . Just as electric charges have electric fields surrounding them, magnets have magnetic fields that surround them This page explores the important concept of the magnetic field and how magnetic field lines communicate its strength and direction
Magnetism - Wikipedia Magnetism is the class of physical attributes that occur through a magnetic field, which allows objects to attract or repel each other Because both electric currents and magnetic moments of elementary particles give rise to a magnetic field, magnetism is one of two aspects of electromagnetism
How Do Magnets Work? | Physics, Attract, Repel | Britannica Magnets work because of magnetic fields which arise from the motion of electric charges This field exerts forces on other magnetic objects and moving charges, causing attraction or repulsion
Magnetic moment - Wikipedia Magnetic moment In electromagnetism, the magnetic moment or magnetic dipole moment is a vector quantity which characterizes the strength and orientation of a magnet or other object or system that exerts a magnetic field The magnetic dipole moment of an object determines the magnitude of torque the object experiences in a given magnetic field
Magnetism - Magnetic Fields, Forces, Materials | Britannica All matter exhibits magnetic properties when placed in an external magnetic field Even substances like copper and aluminum that are not normally thought of as having magnetic properties are affected by the presence of a magnetic field such as that produced by either pole of a bar magnet
Magnet | Physics, Properties Uses | Britannica Magnet, any material capable of attracting iron and producing a magnetic field outside itself By the end of the 19th century all the known elements and many compounds had been tested for magnetism, and all were found to have some magnetic property