Scrap heap challenge

Magnets and electromagets are are such useful things, without which many things which we take for granted would just not be possible.

For example, your TV, computers, speakers, and mobile phones all have components which rely on magnets or electromagnets.

Use these websites [You must install Flash Player] to help you understand this topic better:

1) Magnetic Fields
2) Understanding Magnets
2) Magnetism and Current
4) Plotting Magentic Fields

Inside the scrap heap electromagnet: CLICK HERE