tolong ya (pake cara)
Fisika
karinahzl
Pertanyaan
tolong ya (pake cara)
1 Jawaban
-
1. Jawaban JaneReina
R₁ = 2 Ω
R₂ = 3 Ω
R₃ = 4 Ω
ε = 24 V
r = 1 Ω
Pada rangkaian seri kuat arusnya sama besar di setiap titik.
Penyelesaian:
Rtotal = R₁ + R₂ + R₃ = 2 + 3 + 4 = 9 Ω
I = [tex] \frac{ε}{Rtot +r} [/tex]
I = [tex] \frac{24}{9 + 1} [/tex]
I = [tex] \frac{24}{10} [/tex]
I = 2,4 A
V₁ = I R₁
V₁ = (2,4)(2)
V₁ = 4,8 V
V₂ = I R₂
V₂ = (2,4)(3)
V₂ = 7,2 V
V₃ = I R₃
V₃ = (2,4)(4)
V₃ = 9,6 V
P₁ = V₁ I
P₁ = (4,8)(2,4) = 11,52 W
P₂ = V₂ I
P₂ = (7,2)(2,4) = 17,28 W
P₃ = V₃ I
P₃ = (9,6)(2,4) = 23,04
R₃ memiliki daya paling besar
Daya R₁ adalah 11,52 W
CMIIW