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R₁ = 70 Ω
R₂ = 25 Ω
R₃ = 100 Ω
R₄ = 10 Ω
V = 20 V
≡ Ditanya :
a. Hambatan Total ( Rt )
b. Kuat arus ( I )
c. VRp
d. VR₁
e. VR₄
f. IR₂
g. IR₃
≡ Penyelesaian :
a.) Rs = R₁ + R₄
Rs = 70 + 10
Rs = 80 Ω
1 / Rp = 1/R₂ + 1/R₃
1 / Rp = 1/25 + 1/100
1 / Rp = 5/100
Rp = 100/5
Rp = 20 Ω
Rt = Rs + Rp
Rt = 80 + 20
Rt = 100 Ω
b.) It = V / Rt
It = 20 / 100
It = 0,2 A
c.) VRp = It . Rp
VRp = 0,2 . 20
VRp = 4 V
d.) VR₁ = It . R₁
VR₁ = 0,2 . 70
VR₁ = 14 V
e.) VR₄ = It . R₄
VR₄ = 0,2 . 10
VR₄ = 2 V
f.) IR₂ = V / R₂
IR₂ = 20 / 25
IR₂ = 0,8 A
g.) IR₃ = V / R₃
IR₃ = 20 / 100
IR₃ = 0,2 A