3. . An RC series circuit has a power factor of 76%. How many degrees are voltage and current out of phase with each other? Voltage and current will out of phase by 40.5 degrees With a capacita circuit has a frequency of 60 Hz, what is the total impedance of the circ 4.. An RC series circuit has a total impedance of 84 0. The resistor has a value of What is the capacitive reactance of the capacitor? . 5. A capacitor has a capacitive reactance of 500 when connected to a 60-Hz What will be the capacitive reactance if the capacitor is connected to a 1000-Hz line? 3.000 ohms 6. A 15-uf AC capacitor is connected in series with a 50-02 resistor. The capac has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 6- circuit. Is the voltage rating of the capacitor sufficient for this connection? . 7. . An RC series circuit is connected to a 120-V, 60-Hz power source. The resist 25 Q and has a voltage drop of 65 volts. What is the capacitance of the capacitor? 8.. An RC series circuit is connected to a 240-V, 60-Hz power source. An ammeter indica a current of 20 amperes, and a wattmeter indicates that the circuit has a true power of 3 kW. What is the circuit power factor, and what is the capacitance of the capacitor? 80 28
3. . An RC series circuit has a power factor of 76%. How many degrees are voltage and current out of phase with each other? Voltage and current will out of phase by 40.5 degrees With a capacita circuit has a frequency of 60 Hz, what is the total impedance of the circ 4.. An RC series circuit has a total impedance of 84 0. The resistor has a value of What is the capacitive reactance of the capacitor? . 5. A capacitor has a capacitive reactance of 500 when connected to a 60-Hz What will be the capacitive reactance if the capacitor is connected to a 1000-Hz line? 3.000 ohms 6. A 15-uf AC capacitor is connected in series with a 50-02 resistor. The capac has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 6- circuit. Is the voltage rating of the capacitor sufficient for this connection? . 7. . An RC series circuit is connected to a 120-V, 60-Hz power source. The resist 25 Q and has a voltage drop of 65 volts. What is the capacitance of the capacitor? 8.. An RC series circuit is connected to a 240-V, 60-Hz power source. An ammeter indica a current of 20 amperes, and a wattmeter indicates that the circuit has a true power of 3 kW. What is the circuit power factor, and what is the capacitance of the capacitor? 80 28
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...
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