并联电路电阻公式1⼀R=1⼀R1+1⼀R2+1⼀R3 怎么算

2025-04-08 13:49:29
推荐回答(1个)
回答1:

简单的办法是右边通分就是R2R3+R1R3+R1R2/R1R2R3。R=R1R2R3/(R2R3+R1R3+R1R2)