Cerrar
Which poles attract and which repel?
What is a ferrous material?
How is magnetism induced?
What is a line of force?
What does a magnetic field look like around a bar magnet?
What do the magnetic field lines of a bar magnet look like?
How can an iron or steel bar be magnetised?
What is a 'hard' magnetic material?
In magnetic terms what is the metal that is 'hard'?
In magnetic terms, what is the material that is 'soft'?
What are iron and steel used for?
