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11. A 1.5 kΩ resistor and a coil with a 2.2 kΩ inductive reactance are in series across an 18 V ac source. The power factor is ________.
(a) 564
(b) 0.564
(c) 6.76
(d) 55.7
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- 5555555555 16. A series circuit consists of a 4.7 kΩ, a 12 kΩ, and a 2.2 kΩ resistor. The resistor that has the most voltage drop is ________. (a) the 12 kΩ (b) the 2.2 kΩ (c) the 4.7 kΩ (d) impossible to determine from the given information
- 5555555555 18. A 1.2 kΩ resistor is in series with a 15 mH coil across a 10 kHz ac source. The magnitude of the total impedance is ________. (a) 152.6 Ω (b) 1,526 Ω (c) 1,200 Ω (d) 942 Ω
- 5555555555 35. When the current through a 12 kΩ resistor is 8 mA, the power is ________. (a) 7.68 mW (b) 768 mW (c) 7.68 W (d) 76.8 W