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
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555 13. When there is 12 mA of current through a 1.2 kΩ resistor, the voltage across the resistor is ________. (a) 14.4 V (b) 1.4 V (c) 100 V (d) 10 V
5555555555 6. Two resistors are in series: a 5.6 kΩ resistor and a 4.7 kΩ resistor. The voltage drop across the 5.6 kΩ resistor is 10 V. The voltage across the 4.7 kΩ resistor is ________. (a) 8.39 V (b) 10 V (c) 2.32 V (d) 0 V
5555555555 22. Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is ________. (a) 900 μA (b) 9 mA (c) 90 mA (d) 800 μA
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 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