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.
E.S.P. is the seventeenth original album by British group Bee Gees. Released in 1987, it was the band's first studio album in six years, and their first release under their new contract with Warner Bros. It marked the first time in twelve years the band had worked with producer Arif Mardin, and was their first album to be recorded digitally.