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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¬© | |