This means that their magnetism is there all the time and cannot be turned on or off as it can with an electromagnet. Converting a magnet to a non-magnet is called demagnetisation. Magnets are made ...

The magnetic field lines of a bar magnet can be viewed by using compasses or by shaking iron filings onto a platform above the magnet. Place the magnet on top of the paper in view of the document ...

Magnets close magnetAn object that produces a magnetic field which pulls on other magnetic materials and attracts or repels other objects. create magnetic fields. These magnetic fields cannot be seen.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Imagine a bar magnet inside Earth, more or less aligned with the axis, where the ends of that ...

Bigger magnets aren't always "stronger". But how do you make a comparison between different magnets? One way is to determine the magnetic dipole moment of the magnet. Maybe you aren't quite sure about ...