Images: Earbud Parts Picture - www.explainthatstuff.com Earbuds Vs. Loudspeakers: Loudspeaker Picture - www.ascendacoustics.com Electromagnetism: Loud Speaker Picture - en.wikibooks.org Information Woodford, Chris. (2006/2016) Headphones. Retrieved from http://www.explainthatstuff.com/headphones.html [Accessed Nov. 22, 2016] Knight, Randall Dewey. Physics for Scientists and Engineers: A Strategic Approach: With Modern Physics. Boston: Pearson, 2013. Print. "How do speakers work?" http://www.physics.org/article-questions.asp?id=54 "Electromagnet" https://en.wikipedia.org/wiki/Electromagnet "GCSE Science/Uses of electromagnets" https://en.wikibooks.org/wiki/GCSE_Science/Uses_of_electromagnets |