1.

*/*_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
Answer» D. 30 ≈í¬©


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