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《Physics and Engineering》 2018-05
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DEPTH PERSPECTIVE ON FIRST-ORDER RCCIRCUITS:CONCEPT,PRINCIPLE AND METHOD

CHEN Changzhao;School of Mechanics and Optoelectronics,Anhui University of Science and Technology;  
In the circuit course teaching,we use the first-order RC circuit as an example to deeply analyze the hierarchy,relevance and difference between the physical concepts,the basic laws of the circuit and the circuit analysis methods in order to deepen the students'understanding of the operating characteristics of the capacitor and to efficiently and correctly solve the circuit problem including the capacitor.It is found that the biggest obsessions with students deal with a deep rooted misconception that prevents real physical understanding of the rate of voltage change as well as the lack of knowledge of Kirchhoff's law as the main guiding ideology.Overuse of the phenomenal capacitance models and one-sided emphasis on analytical methods while ignoring the physical concept and main idea in teaching process are the root cause of this phenomenon.The current research is conducive to efficient organization of circuit courses teaching,which also has guiding significance to other courses.
【Fund】: 安徽理工大学2016年度校级重大教学改革研究项目“面向光电信息科学与工程专业互动式课堂教学的理论研究与教学实践”;; 安徽理工大学数学信号处理核心课程建设项目
【CateGory Index】: O441.1-4;G642
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