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An elementary derivation of the midplane magnetic field inside a pair of Helmholtz coils

 

作者: Richard C. Calhoun,  

 

期刊: American Journal of Physics  （AIP Available online 1996）
卷期: Volume 64, issue 11  

页码: 1399-1404

 

ISSN:0002-9505

 

年代: 1996

 

DOI:10.1119/1.18365

 

出版商: American Association of Physics Teachers

 

关键词: MAGNETIC FIELDS;BIOT−SAVART LAW;WIRES;ELECTROMAGNETISM;ELECTRIC CURRENTS;01.50.P;41.

 

数据来源: AIP

 

摘要:

A pair of Helmholtz coils is a standard piece of physics apparatus which is used to produce a region of uniform magnetic field. Such a field is used in the experiment to determinee/mfor electrons. The question arises then exactly how uniform is the field along the path of these electrons. We provide an elementary derivation of this midplane field and compare the results with measured values.

 

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