串并联电路

12 V

总电压 U

24.0 Ω

等效电阻 R

0.50 A

总电流 I

电压 U = 12.0 V

R₁ = 8.0 Ω

R₂ = 16.0 Ω

串联: R = R₁+R₂ = 24.0 Ω, I = U/R = 0.50 A, U₁=4.0V, U₂=8.0V

切换串联/并联模式，观察等效电阻和电流分配变化