Uncertainty　of　Millikan's　oil　drop　experiment

ZENG　Xiao-qi; SHAO　Ming-zhen; CHEN　Ji; YANG　Jun

doi:10.16854/j.cnki.1000-0712.2017.12.010

College Physics >

2017 , Vol. 36 >Issue 12: 37 - 40

DOI: https://doi.org/10.16854/j.cnki.1000-0712.2017.12.010

Uncertainty　of　Millikan's　oil　drop　experiment

ZENG　Xiao-qi ,
SHAO　Ming-zhen ,
CHEN　Ji ,
YANG　Jun

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Department　of　Physics，Southern　University　of　Science　and　Technology，Shenzhen，Guangdong　518055，China

Received date: 2017-03-03

Revised date: 2017-04-23

Online published: 2017-12-20

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Abstract

In　the　Millikan's　oil　drop　experiment，the　more　electric　charge　the　oil　drop　carries，the　larger　measurement　uncertainty is.According　to　the　calculation　of　uncertainty，we　analyze　quantitatively　how　to　balance　the　measurement　uncertainty　and the　droplet　charge.Our　results　will　be　helpful　for　choosing　oil　droplets　and　controlling　the　experimental　uncertainty.

Key words： Millikan's　oil　drop　experiment; uncertainty; error　analysis

Cite this article

ZENG　Xiao-qi , SHAO　Ming-zhen , CHEN　Ji , YANG　Jun . Uncertainty　of　Millikan's　oil　drop　experiment[J]. College Physics, 2017 , 36(12) : 37 -40 . DOI: 10.16854/j.cnki.1000-0712.2017.12.010

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