hitunglah hambatan pengganti untuk tiap-tiap rangkaian hambatan berikut
rangkaian listrik
Rseri = R1 + R2
Rseri = 5 + 15
Rseri = 20 Ohm
Rseri = 10 + 10
Rseri = 20 Ohm
Rseri = 15 + 15
Rseri = 30 Ohm
1/Rp = 1/20 + 1/20
1/Rp = 2/20
Rp = 10 Ohm
Rseri = 10 + 20
Rseri = 30 Ohm
1/Rp = 1/30 + 1/30
1/Rp = 2/30
Rptot = 15 Ohm
hambatan pegganti = 15 Ohm