...When a current flows through a conductor and a magnetic field is applied perpendicular to the current, an electric field is generated perpendicular to both the current and the magnetic field. It was discovered in 1879 by American Edwin Herbert Hall (1855-1938), hence the name. If the directions of the current density, the generated electric field, and the magnetic field are taken as the x , y , and z directions , respectively (see figure), and their magnitudes, including their signs , are J , EH , and B , then EH / JB is called the Hall coefficient. *Some of the terminology that mentions "Hall, EH" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…導体に電流を流しながらこれと垂直に磁場をかけると,電流と磁場の両方に垂直な方向に電場が生ずる現象。1879年にアメリカのホールEdwin Herbert Hall(1855‐1938)によって発見されたのでこの名がある。電流密度,生じた電場,磁場の方向をそれぞれx,y,z方向にとり(図),符号も含めたそれらの大きさをJ,EH,Bとするとき,EH/JBをホール係数という。… ※「Hall,E.H.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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