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LISTRIK DINAMISTinjau rangkaian keseluruhan
• E = 12 V
• i = 4 A
diperoleh nilai hambatan total rangkaian
E = i R
12 = 4 Rₜ
Rₜ = 3 Ω
Tinjau rangkaian hambatan
Hambatan 3 Ω dan R tersusun seri
Rₛ = 3 + R
Hambatan Rₛ dan 12 Ω tersusun paralel, menghasilkan hanbatan total
1/Rₛ + 1/12 = 1/Rₜ
1/(3+R) + 1/12 = 1/3
1/(3+R) = 1/3 - 1/12
1/(3+R) = 4/12 - 1/12
1/(3+R) = 3/12
1/(3+R) = 1/4
3 + R = 4
R = 1 Ω ✔️
Karena jika R = 1Ω
Rp = R₁ + R₂ = 3Ω + (1Ω) = 4Ω
1/Rp = 1/Rp + 1/R₃ = 1/4 + 1/12 = 3/12 + 1/12 = 4/12 = 12/4 = 3Ω
Misal I = 4A tidak di ketahui, kita masukkan nilai R = 3Ω
I = V/R
I = 12/3
I = 4 (Benarkan hasilnya)
Jika ada yang ditanyakan, ajukan saja.
Semoga membantu.