21. Two 10 H inductors are in parallel and the parallel combination is in series with a third 10 H inductor. What is the approximate total reactance when a voltage with a frequency of 7 kHz is applied across the circuit terminals?
(a) 219 kΩ (b) 66 kΩ (c) 660 kΩ (d) 1.3 MΩ
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555 1. Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is ________. (a) 138 Ω (b) 1,389 Ω (c) 5,700 Ω (d) 880 Ω
5555555555 2. A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage? (a) 1 MΩ (b) 24 kΩ (c) 18 kΩ (d) 12 kΩ
5555555555 20. A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is ________. (a) 0 Hz (b) 12 kHz (c) 6 kHz (d) 18 kHz