5555555555 23. Five resistors are connected in a series and there is a current of 3 A into the first resistor. The amount of current into the second resistor is ________. (a) 3 A (b) 1 A (c) 4 A (d) 0.3 A
5555555555 21. A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately ________. (a) 14 mA (b) 1.4 mA (c) 5 mA (d) 50 mA
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 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 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