Dane:
R₁ = 10 Ω
R₂ = 15 Ω
R₃ = 20Ω
Rozw.:
Opór zastępczy:
R = R₁ + R ₂ + R₃ = 45 Ω
I = U/R = 90V / 45Ω = 2 A
U₁ = R₁ × I = 10 Ω × 2 A = 20 V
P₁ = U₁ × I = 20 V × 2 A = 40 W
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Dane:
R₁ = 10 Ω
R₂ = 15 Ω
R₃ = 20Ω
Rozw.:
Opór zastępczy:
R = R₁ + R ₂ + R₃ = 45 Ω
I = U/R = 90V / 45Ω = 2 A
U₁ = R₁ × I = 10 Ω × 2 A = 20 V
P₁ = U₁ × I = 20 V × 2 A = 40 W
Rozw.:
Opór zastępczy:
R = R₁ + R ₂ + R₃ = 45 Ω
I = U/R = 90V / 45Ω = 2 A
U₁ = R₁ × I = 10 Ω × 2 A = 20 V
P₁ = U₁ × I = 20 V × 2 A = 40 W