并联电路总电阻等于各分电阻倒数和的倒数,即R总=1/(1/R1+1/R2+···+1/Rn)如果每个电阻都相等,设每个阻值为Ro,则R总=1/(1/R1+1/R2+···+1/Rn)=1/(1/Ro+1/Ro+···+1/Ro)=Ro/n 串联电路总电阻等于各分电阻之和,即...