Magnets and Magnetic Fields

It produces a force that pushes other magnets away

It generates electricity when in contact with other materials

It creates a visible magnetic field

It attracts or repels other magnets and ferromagnetic materials (correct)

A magnet that only attracts rare-earth metals

A magnet that can be easily demagnetized

An object made from a material that is magnetized and creates its own persistent magnetic field (correct)

A magnet that requires an external magnetic field to remain magnetized

Iron, nickel, and cobalt (correct)

Plastic and glass

Aluminum and copper

Silver and gold

<p>Magnetically 'soft' and magnetically 'hard'</p> Signup and view all the answers

<p>All other substances except ferromagnetic ones</p> Signup and view all the answers