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  1. 紀要論文
  2. 琉球大学教育学部紀要
  3. 82号
  1. 部局別インデックス
  2. 教育学部

電気測定と分解で学ぶ電気モータ動作に関する体験授業-モータはどうして回転するの?-

http://hdl.handle.net/20.500.12000/26599
http://hdl.handle.net/20.500.12000/26599
88b35064-76db-469b-a821-ab50002dfc34
名前 / ファイル ライセンス アクション
No82p115.pdf No82p115.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2013-06-26
タイトル
タイトル 電気測定と分解で学ぶ電気モータ動作に関する体験授業-モータはどうして回転するの?-
言語 ja
作成者 小野寺, 清光

× 小野寺, 清光

ja 小野寺, 清光

Onodera, Kiyomitsu

× Onodera, Kiyomitsu

en Onodera, Kiyomitsu

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 en
主題Scheme Other
主題 brushed DC electric motor
言語 en
主題Scheme Other
主題 electrical measurement and dismantlement
言語 en
主題Scheme Other
主題 middle school student
内容記述
内容記述タイプ Other
内容記述 Experimental practice and lecture entitled “How do electric motors work in practice?” has been offered for middle school students to ascertain the working principle of electric motors. At the first setout, electric motors mounted in all sort of electric devices in our house or on the streets are counted out to impress students how deeply they have penetrated in our daily life. Adopting the Mabuchi FA-130RA electric motor, which you would typically find in a toy, the electric current and the voltage of a motor have been measured. Subsequently the operation principle, how electricity and magnetism work together to spin the motor, and the electric electromotive force which relates to an electric generator have been explained. At the second period, the Mabuchi motors have been disassembled by the students themselves to confirm the structure of an armor, a commutator and blushes to keep a motor spinning. Moreover, by replacing the original ceramic magnets to stronger neodymium magnets, the important relation between strength of the permanent magnet and the rotation speed has been found out experimentally. As questionnaire surveys carried out after the lecture show that 90% of the students get interested in electric motors, the students might experientially comprehend the working principle of electric motors.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学教育学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/26599
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 1345-3319
収録物識別子タイプ NCID
収録物識別子 AA11393705
収録物名
言語 ja
収録物名 琉球大学教育学部紀要
書誌情報
号 82, p. 115-126
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