Magnetic fields are represented by diagrams which show patterns of magnetic field lines.
A simple way of mapping the rough shape of a magnetic field is to use iron filings. For example, the magnetic field pattern of...
Magnetism is a non-contact force. For example, a magnetic force can be acting on a paper clip when a magnet is nearby but not...
One magnet exerts a force on another. Magnetic field line patterns (see the SPT: Magnetism topic episode 01 for an...
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