electromagnetとは意味・読み方・使い方

出典:『Wiktionary』 (2025/05/19 01:10 UTC 版)

From electro- +‎ magnet.

electromagnet (plural electromagnets)

A magnet which attracts metals only when electrically activated.
- 2010, “Electromagnetism”, in Snap Circuits‎, Elenco, page 1:
  
  Hold the electromagnet near something made of iron and push the switch (S2). […] Large electromagnets are used to move things around at factories and junkyards.


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electromagnetとは 意味・読み方・使い方