tolong jawab ya no 15 :)
Jawaban:
cari dulu R pengganti
mis: R4 mrpk R pengganti R2 & R3 (paralel)
1/R4 = 1/R2 + 1/R3
1/R4 = 1/9 + 1/18
1/R4 = 3/18
R4 = 18/3 = 6 Ω
mis: R5 = R pengganti R1 & R4 (seri)
R5 = R1 + R4
R5 = 14 + 6
R5 = 20 Ω
I = V/R5
= 40/20
= 2 A
I = I1 = I4 krn seri
V4 = I4 × R4
= I × R4
= 2 × 6
= 12 V
V4 = V2 = V3 = 12 V krn paralel
V2 = I2 × R2
12 = I2 × 9
I2 = 12/9 = 4/3 A
V3 = I3 × R3
12 = I3 × 18
I3 = 12/18 = 2/3 A
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