Delmar's Standard Textbook of Electricity (MindTap Course List)
6th Edition
ISBN: 9781285852706
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 26, Problem 2RQ
At what frequency will the capacitor in Question 1 have a capacitive reactance 10 times greater than the load resistance?
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Chapter 26 Solutions
Delmar's Standard Textbook of Electricity (MindTap Course List)
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- An RC series circuit has a total impedance of 84 . The resistor has a value of 32 . What is the capacitive reactance of the capacitor? XC=Z2R2arrow_forwardA postage stamp mica capacitor has the following color marks starting at the upper left dot: yellow, violet, brown, green, no color, and blue. What are the capacitance value, tolerance, and voltage rating of this capacitor?arrow_forwardTwo capacitors having values of 80 F and 60 F are connected in series. What is the total capacitance?arrow_forward
- List the five capacitor replacement rules.arrow_forwardAssume the circuit in Figure 21-1 has a power factor of 68%, an apparent power of 300 VA, and a frequency of 400 Hz. The capacitor has a capacitance of 4.7125 F. Find the missing values. ET ER EC IT IR IC Z R XC VA300 P VARSC PF68 C4.7125Farrow_forwardCapacitive Circuits Fill in all the missing values. Refer to the formulas that follow. XC=12fCC=12fXCf=12CXc Capacitance XC Frequency 38 F 60 Hz 78.8 400 Hz 250 pF 4.5 k 234 F 10 kHZ 240 50 Hz 10 F 36.8 560 nF 2 MHz 15 k 60 Hz 75 nF 560 470 pF 200 kHz 6.8 k 400 Hz 34 F 450arrow_forward
- Assume the circuit shown in Figure 17-2 has a power factor of 78%, an apparent power of 374.817 VA, and a frequency of 400 Hz. The inductor has an inductance of 0.0382 H. ETITZVA374.817PF78%ERIRRPELILXLVARsLL0.0382Harrow_forwardThe circuit in Figure 24-2 is connected to a 120-V, 60-Hz line. The resistor has a resistance of 36 , the inductor has an inductive reactance of 40 , and the capacitor has a capacitive reactance of 50 . ET120VITZVAPFERIRR36PELILXL40VARsLLECICXC50VARsCCarrow_forwardWhich of the following is the capacitance of an 88-microfarad and a 108-microfarad starting capacitor connected in series? 196 microfarad 96 microfarad 48 microfarad 40 microfaradarrow_forward
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