导线电阻计算器 — 公式

Thevenin's Theorem

Any linear circuit can be replaced by V_th in series with R_th.

Formulas

V_th = V_s x R2 / (R1 + R2)

R_th = R1 || R2 = R1 x R2 / (R1 + R2)

计算示例

24 V source, R1 = 1k, R2 = 2k.

  1. V_th = 24 x 2000 / 3000 = 16.0 V
  2. R_th = 1000 x 2000 / 3000 = 666.67 ohms