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dian zu ce liang de yi xie ji ben fang fa
Author(s): 
Pages: 23-24
Year: Issue:  1
Journal: Experiment and Equipment for Primary School

Abstract: 电学实验足高考实验考查的重点,电阻测量是考查的焦点,伏安法测电阻是电阻测量最基本的方法,伏安法测电阻常涉及电流表内、外接法的选择与滑动变阻器限流、分压式的选择,前者是考虑减小系统误差,后者是考虑电路的安全及保证可读取的数据.……
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