Simply Constructed Ampere Balance with Good Precision
作者:
R. L. Edwards,
期刊:
American Journal of Physics
(AIP Available online 1955)
卷期:
Volume 23,
issue 7
页码: 413-414
ISSN:0002-9505
年代: 1955
DOI:10.1119/1.1934037
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
Although the ampere balance is today the primary standardizing device for the measurement of electric current, such balances are not available in the laboratory supply houses. Elaborately designed ampere balances have been made in physics departments with large resources, but the models we have seen elsewhere are satisfactory for demonstration purposes only. This paper describes the construction of a simple balance well suited for quantitative laboratory work as well as classroom demonstration.
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