Category:Magnetic heads
From GHN
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| − | + | An electromagnet that converts electrical variations into magnetic variations that can be stored and retrieved | |
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[[Category:Magnetic_devices|{{PAGENAME}}]] | [[Category:Magnetic_devices|{{PAGENAME}}]] | ||
Latest revision as of 18:33, 25 February 2013
An electromagnet that converts electrical variations into magnetic variations that can be stored and retrieved
