A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________? December 19, 2018 – by admin A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately________________? A. 790 Ω B. 470 ΩC. 60 Ω D. 30 Ω