noun
- magnets that are created by passing an electric current through a coil of wire wrapped around an iron core
Examples
- The junkyard uses powerful electromagnets to lift and move scrap metal.
- Electromagnets are essential components in electric motors and generators.
- When the power is turned off, electromagnets lose their magnetic force.
- The MRI machine uses strong electromagnets to create detailed images of the body.
- Electromagnets in the doorbell cause the chime to ring when you press the button.
- Scientists can control the strength of electromagnets by adjusting the electric current.