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- Kapasitor
C₁ = 3 μF, C₂ = 6 μF disusun seri
V = 120 V
V₁ = __ ?
C = Q / V → V = Q / C
V berbanding terbalik dengan kapasitas
atau V₂ : V₁ = C₁ : C₂ = 3 : 6 = 1 : 2
Tegangan pada kapasitor 3 μF
V₁ = ²/(₁₊₂) × 120 V = 80 V ← jwb
atau
kapasitas pengganti susunan seri
1/Cs = 1/C₁ + 1/C₂
1/Cs = 1/3 + 1/6
1/Cs = 2/6 + 1/6
1/Cs = 3/6
Cs = 6/3 = 2 μF
Muatan listrik
C = Q / V
→ Q = Cs V
Q = (2 μF) (120 V)
Q = 240 μC
Pada rangkaian seri, muatan listrik sama besar
Q = C₁ V₁
→ V₁ = Q / C₁
V₁ = (240 μC) / (3 μF)
V₁ = 80 V ← jwb