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resistance law demonstrator junior and senior high school physics teaching aids demonstration experimental apparatus science and education instruments

resistance law demonstrator junior and senior high school physics teaching aids demonstration experimental apparatus science and education instruments

电阻定律演示器 初高中物理教学教具演示实验器材 科教仪器

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  • Item No. 青华23019
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 注意：下单前需要确认交货时间（因库存现货时时变化）

电阻定律（演示）实验器配上蓄电池，单刀开关，直流安培计，伏特计等仪器，可做下列实验。

1、导体电阻的定义；2、验证电阻定律；3、导体电阻率的测定；4、研究导体的串联和并联。

 

Update time：20251027095744


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