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12. Three 680 Ω resistors are connected in series with a 470 V source. Current in the circuit is ________.
(a) 69 mA
(b) 230 mA
(c) 23 mA
(d) 690 mA
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5555555555 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- 5555555555 18. Three 47 Ω resistors are connected in parallel across a 110 volt source. The current drawn from the source is approximately ________. (a) 2.3 A (b) 780 mA (c) 47 mA (d) 7.06 A
- 5555555555 8. Two 1.5 V cells are connected series opposing across two 100 Ω resistors in series. Total current flow is ________. (a) 15 mA (b) 5 mA (c) 2 mA (d) 0 A
- 5555555555 9. Two 6 V batteries are connected series aiding across two 1.2 kΩ resistors in series. Current through each resistor is ________. (a) 5 mA (b) 10 mA (c) 0 A (d) 2.5 mA
- 5555555555 14. Four equal-value resistors are in series with a 12 V battery and 13.63 mA are measured. The value of each resistor is ________. (a) 22 Ω (b) 220 Ω (c) 880 Ω (d) 88 Ω