# Parallel Circuits – 12

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12. 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

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