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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
Magnetism - National Geographic Society The magnetic needle of a compass lines up with Earth’s magnetic poles The north end of a magnet points toward the North Magnetic Pole, which holds a south magnetic charge
Magnets and Electromagnets - Magnetic Field | Magnets . . . Explore the interactions between a compass and bar magnet Discover how you can use a battery and coil to make an electromagnet Explore the ways to change the magnetic field, and measure its direction and magnitude around the magnet
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
What Are Magnets Made Of? | Magnet Basics When an atom – such as iron – has an odd number of electrons, those unpaired electrons create a magnetic field, turning the entire atom into a tiny magnet When most atoms in an object are tiny magnets, it produces an overall magnetic field with a north and south pole