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A 470 Ω resistor, a 220 Ω resistor, and a 100 Ω resistor are all in parallel. The total resistance is approximately

790 Ω
470 Ω
60 Ω
30 Ω

Correct Answer: 60 Ω

Explanation:

1/R = (1/470 + 1/220 + 1/100)
R = 59.98 ohm

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