并联电阻计算说明
计算公式
并联电阻总阻值:1/R总 = 1/R1 + 1/R2 + 1/R3 + ... + 1/Rn
等效电阻:R总 = 1 / (1/R1 + 1/R2 + 1/R3 + ... + 1/Rn)
总电导:G总 = G1 + G2 + G3 + ... + Gn
注意事项
- 并联电阻的总阻值小于任何一个分电阻的阻值
- 并联电路中,各电阻两端电压相等
- 总电流等于各分电流之和
- 输入电阻值必须大于0
并联电阻总阻值:1/R总 = 1/R1 + 1/R2 + 1/R3 + ... + 1/Rn
等效电阻:R总 = 1 / (1/R1 + 1/R2 + 1/R3 + ... + 1/Rn)
总电导:G总 = G1 + G2 + G3 + ... + Gn