Electromagetism

For those interested in making thier bicycle into and elctric bicycle (AKA ebike), it probably is a good idea to understand some basics about electromagnets.

The video below is a good intro into understanding how electro magnets work.



Video Description:
This video demonstrates the relationship between electricity and magnetism and shows how to construct an electromagnet using a 4 inch iron nail, 5 meters of copper wire and a 1.5 volt AA battery. Electromagnetism was discovered by the Danish scientist Oersted. Electromagnetism is the science behind electric motors, solenoids, speakers and electromagnets. More projects: http://hilaroad.com/projects and http://hila-store.webcentre.ca