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Verified answer
Diketahui :E = 12 volt
r = 0.6Ω
Rangkaian Pertama
Seri
Rseri = R1 + R2
Rseri = 8 + 7
= 15 Ω
Rangkaian Kedua
Paralel
R paralel
1/Rp= 1/R1 + 1/R2
1/Rp = 1/12 + 1/3
1/Rp = 1/12 + 4/12
1/Rp = 5/12
Rp = 12/5 Ω
Total dari R susunnya adalah seri, maka
Rtotal = 15 + 12/5
Rtotal = 75/5 + 12/5
Rtotal 87/5 Ω
Kuat Arus
I = E / (Rtotal + r)
I = 12 / (87/5 + 0.6)
I = 12 / 18
I = 2/3A