I could also investigate the material of the coil, which is another factor affecting the strength of an electromagnet. I could investigate this, by placing different materials, like iron, copper, and steel inside the core of the electromagnet, I would keep current and the number of turns constant.
For other video games with this title, see E.T. the Extra-Terrestrial in video games. E.T. the Extra-Terrestrial (also referred to simply as E.T.) is a 1982 adventure video game developed and published by Atari, Inc. for the Atari 2600 video game console. It is based on the film of the same name, and was designed by Howard Scott Warshaw.
Released on June 11, 1982 by Universal Pictures, E.T was an immediate blockbuster, surpassing Star Wars to become the highest-grossing film of all timeâa record it held for eleven years until Jurassic Park, another Spielberg-directed film, surpassed it in 1993. It is the highest-grossing film of the 1980s.