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zi zhi shu xian hua dong bian zu qi
Author(s): 
Pages: 49-51
Year: Issue:  10
Journal: Experiment Teaching and Apparatus

Keyword:  滑动变阻器数字显示器霍尔传感器自制;
Abstract: 在中学物理滑动变阻器教学中,学生往往难以理解电流路径和电流电压变化特点等方面的知识点,给教学带来了一定的困难。为解决这一教学难题,采用数字显示器、霍尔传感器和滑动变阻器等材料制作了一款新型"数显滑动变阻器",突破了教学难点,使教学过程更加直观,激发了学生的学习兴趣。
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