PHET Magnet Simulation
http://phet.colorado.edu/en/simulation/magnets-and-electromagnets
<div ><a href="http://phet.colorado.edu/sims/faraday/magnets-and-electromagnets_en.jnlp" ><img src="http://phet.colorado.edu/sims/faraday/magnets-and-electromagnets-screenshot.png" alt="Magnets and Electromagnets" width="300" height="225"/><div ></div><table ><tr><td >Click to Run</td></tr></table></a></div>
http://phet.colorado.edu/en/simulation/magnets-and-electromagnets
<div ><a href="http://phet.colorado.edu/sims/faraday/magnets-and-electromagnets_en.jnlp" ><img src="http://phet.colorado.edu/sims/faraday/magnets-and-electromagnets-screenshot.png" alt="Magnets and Electromagnets" width="300" height="225"/><div ></div><table ><tr><td >Click to Run</td></tr></table></a></div>