初中物理电路图的识图方法

2020-08-13 18:23:37

初中物理电路图的识别方法文档信息主题:关于“中学教育"中“初中教育"的参考范文。属性:Doc-1FPUSH,doc格式,正文666字。质优实惠,欢迎下载!chu zhong wu li dian xue zhong de fu za dian lu ke yi tong guo ru xia yuan ze jin xing jian hua : di yi : bu ji dao xian dian zu , ren ding R xian ≈ 0。you dian liu liu guo de dao xian liang duan dian ya wei ling , duan kai shi kai guan liang duan ke yi ce de dian ya ( dian lu zhong mei you qi ta duan dian ) 。di er : kai guan bi he shi deng xiao yu yi gen dao xian ; kai guan duan kai shi deng xiao yu duan lu , ke cong dian lu liang jie dian jian qu diao 。kai guan bi he you dian liu liu guo shi , kai guan liang duan dian ya wei ling , duan kai shi kai guan liang duan ke yi ce de dian ya ( dian lu zhong mei you qi ta duan dian ) 。di san : dian liu biao nei zu hen xiao , zai fen xi dian lu de lian jie fang shi shi , you dian liu biao de di fang "

jiao ni zen yang kan dong dian lu tu 1 . tu xing fu hao tu xing fu hao shi gou cheng dian lu tu de zhu ti 。tu 1 wei wu xian hua tong dian lu tu zhong , ge zhong tu xing fu hao dai biao le zu chu zhong de wu li dian lu tu shi bie xiang jie . p d f ,shi yong biao zhun wen an chu zhong wu li dian lu tu shi bie xiang jie dian lu shi bie sui ran shi you xie nan du ,dan hai shi you zhang ke xun de ,dian lu shi bie xiang guan de bao kuo er bu fen :dian lu tu jian "

初中物理电学中的复杂电路可以通过如下原则进行简化: 第一:不计导线电阻,认定R线≈0。有电流流过的导线两端电压为零,断开时开关两端可以测得电压(电路中没有其他断点)。第二:开关闭合时等效于一根导线;开关断开时等效于断路,可从电路两节点间去掉。开关闭合有电流流过时,开关两端电压为零,断开时开关两端可以测得电压(电路中没有其他断点)。第三:电流表内阻很小,在分析电路的连接方式时,有电流表的地方教你怎样看懂电路图1.图形符号图形符号是构成电路图的主体。图1为无线话筒电路图中,各种图形符号代表了组

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