Difference between revisions of "怎样考取低压电工证理论篇"

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== 理论 ==
* 并联分电压,串联不分电压。串联时各支路电压相等。
* 总电阻的倒数等于并联各电阻的倒数和.1/R=1/R1+1/R2+1/R3+…1/Rn
 
== 术语 ==

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