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  1. Magnetism | Definition, Examples, Physics, & Facts | Britannica

    Nov 9, 2025 · 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 …

  2. 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 …

  3. How Do Magnets Work? The Physics Behind Magnetism

    May 23, 2025 · 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 …

  4. 22: Magnetism - Physics LibreTexts

    Magnetism is a subject that includes the properties of magnets, the effect of the magnetic force on moving charges and currents, and the creation of magnetic fields by currents.

  5. Understanding Magnets and Magnetic Fields: A Comprehensive …

    In a nutshell, magnets are materials or objects that produce a magnetic field, which is an invisible force that can attract or repel other magnets and magnetic materials.

  6. Magnetism Explained: How Magnetic Fields and Materials Create …

    Sep 9, 2025 · Magnetism is the reason compass needles point north, refrigerator notes stick without tape, and electric motors spin to power fans and appliances. Although magnets seem …

  7. How Magnets Work | HowStuffWorks

    Magnets are objects that produce magnetic fields and attract metals like iron, nickel and cobalt. The magnetic field's lines of force exit the magnet from its north pole and enter its south pole. …

  8. What is a Magnetic Field: Understanding the Invisible Force of …

    May 21, 2025 · Discover what a magnetic field is, how it works, and why it matters — from Earth's protective shield to advanced technologies like MRI, power generation, and quantum computing.

  9. Magnetism - Math is Fun

    Fridge magnets, compass needles and some door fasteners are all examples of permanent magnets. Their magnetism comes from the "spin" of electrons. This isn't like the spinning of a …

  10. Magnets from Mini to Mighty - Magnet Academy - National MagLab

    They all exert a magnetic force on each other. They all have a south pole and a north pole (just like the Earth, which itself is a magnet); opposite poles attract, like poles repel. By convention, …