magnetic field
Plural
magnetic fields
1
an invisible area around a magnetic object where magnetic forces can attract or repel other objects
- The Earth has a magnetic field that helps guide the navigation of compasses.
- When electricity flows through a wire, it creates a magnetic field around the wire.
- The MRI machine uses a powerful magnetic field to produce detailed images of the human body.
- Scientists study the magnetic field of the sun to understand solar flares and their effects on Earth.
- Magnets can attract certain metals because they create a magnetic field around them.
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