a)
R = R1+R2+R3
R = 2Ω+3Ω+15Ω
R = 20Ω
b)
1/R = 1/R1+1/R2+1/R3
1/R = 1/2Ω+1/3Ω+1/15Ω
1/R = 15/30Ω+10/30Ω+2/30Ω
1/R = 27/30Ω
1/R = 9/10Ω
R = 10Ω/9
R = 1i1/9Ω
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R2=3Ω
R3=15Ω
Rs=?
Rr=?
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szeregowe
Rz=R1+R2+R3=2Ω+3Ω+15Ω=20Ω
równoległe
1/Rz=1/R1+1/R2+1/R3
1/Rz=1/2+1/3+1/15
1/Rz=15/30+10/30+2/30
1/Rz=27/30
Rz=30/27=10/9 Ω
a)
R = R1+R2+R3
R = 2Ω+3Ω+15Ω
R = 20Ω
b)
1/R = 1/R1+1/R2+1/R3
1/R = 1/2Ω+1/3Ω+1/15Ω
1/R = 15/30Ω+10/30Ω+2/30Ω
1/R = 27/30Ω
1/R = 9/10Ω
R = 10Ω/9
R = 1i1/9Ω