magnet
Sign in to savethumb|upright=1.5|A magnetite rock is being pulled by a [[neodymium magnet on top.]]
AI overview
A magnet is a material or object that produces an invisible force field capable of attracting certain metals like iron. Magnets are useful in countless everyday applications, from holding notes on refrigerators to powering electric motors and generating electricity.
AI-generated from the Wikipedia summary — may contain errors.
Article
35 sectionsContents
- Discovery and development
- Physics
- Magnetic field
- Magnetic moment
- Magnetization
- Modelling magnets
- Polarity
- Magnetic materials
- Shape
- Common uses
- Medical issues and safety
- Magnetizing ferromagnets
- Demagnetizing ferromagnets
- Types of permanent magnets
- Magnetic metallic elements
- Composites
- Rare-earth magnets
- Single-molecule magnets (SMMs) and single-chain magnets (SCMs)
- Nano-structured magnets
- Rare-earth-free permanent magnets
- Costs
- Temperature
- Electromagnets
- Units and calculations
- Fields of a magnet
- Calculating the magnetic force
- Pull force of a single magnet
- Force between two magnetic poles
- Force between two nearby magnetized surfaces of area ''A''
- Force between two bar magnets
- Force between two cylindrical magnets
- See also
- Notes
- References
- External links
thumb|upright=1.5|A magnetite rock is being pulled by a [[neodymium magnet on top.]]
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.