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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

60 mA
30 mA
6 mA
300 mA

Correct Answer: 6 mA

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