磁石の磁束密度を任意定数とする学生実験の開発

書誌事項

タイトル別名
  • The development of the laboratory experiment which makes flux density of magnetic to be an arbitrary constant
  • ジシャク ノ ジソク ミツド オ ニンイ テイスウ ト スル ガクセイ ジッケン ノ カイハツ

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抄録

本研究では,磁石の磁束密度に着目し,その大きさによる変化を確かめる実験を行なった.その結果,以下のようなことが確かめられた. (1)同極の磁石同士を近づけた場合,斥力から引力に変化する場合がある. この現象は,磁束密度の差に依存し,約2 倍を超えると現れる. (2)2 つの磁石を近づけた場合,磁石間に発生する磁力線の様子を裏付ける 磁束密度の変化が観測できる. (3)磁石を重ねた場合、磁束密度は見かけ上増加する. (4)磁束密度と電磁制動力の関係は密接である. An experiment confirming the change in size, from the viewpoint of the magnetic, of magnetic flux density was carried out. As a result, the following facts were confirmed. (1) There is a case in which magnetic flux density is associated with a homopolar magnet, and a case in which the flux changes from being a repulsive force to attractive force. This phenomenon is dependent on the difference in the magnetic flux density, and it appears when double the original magnetic flux intensity is exceeded. (2) The varying in the magnetic flux density which proves the character of magnetic lines of force which arises between magnets can be observed, when two magnets are brought close together. (3) The magnetic flux density increases when the magnets are piled up. (4) There is a close relation between electromagnetic braking force and magnetic flux density.

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