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 Ω
C. 60 Ω
D. 30 Ω
A. 790 Ω
B. 470 Ω
C. 60 Ω
D. 30 Ω