并联电路中电阻关系式,比如1/R=1/R1+1/R2
问题描述:
并联电路中电阻关系式,比如1/R=1/R1+1/R2
答
两个电阻并联,R=R1R2/(R1+R2)
三个电阻并联,R=R1R2R3/(R1R2+R2R3+R3R1)
四个电阻并联,R=R1R2R3R4/(R1R2R3+R2R3R4+R3R4R1+R4R1R2)
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