# Series Circuits – 18

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18. The following resistors (one each) are connected in a series circuit: 470 Ω, 680 Ω, 1 kΩ, and 1.2 kΩ. The voltage source is 20 V. Current through the 680 Ω resistor is approximately ________.

(a) 60 mA
(b) 30 mA
(c) 6 mA
(d) 300 mA

Explanation
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