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.
WALL-E (stylized with an interpunct as WALLÂ·E) is a 2008 American computer-animated science-fiction comedy film produced by Pixar and released by Walt Disney Pictures. Directed by Andrew Stanton, the story follows a robot named WALL-E, who is designed to clean up an abandoned, waste-covered Earth far in the future.