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《Journal of Hubei University for Nationalities(Natural Science Edition)》 2018-01
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Discussion on Dynamic Method of the Millikan Oil Drop Experiment

ZHU Yu;WANG Qiu;School of Information Engineering,Hubei University for Nationalities;  
In this paper,through repeated experiment,the oil drop with big or small charge quantity and valve closed or not are analyzed to impact on the experiment,and the range of options for the initial voltage and working voltage is discussed using the ZKY-MLG-6 CCD microscope Millikan oil drop instrument.The conclusions are as follows:(1) It is more accurate to measure the oil drop with big charge quantity by the balance method or dynamic method;(2)When measuring the charge quantity of oil drop with dynamic method,whether valve closed or not has no significant effect on the measurement;(3)When measuring the oil drop with large charge quantity by dynamic method,the initial voltage is 300 V and 400 V respectively,the working voltage is 1.5,2.0 and 2.5 times of the balance voltage,the results are good.
【Fund】: 国家民委2015年度教改项目(15067);; 湖北省教育科学规划2015年度立项课题(2015GB082)
【CateGory Index】: O441-33
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