16. Find the value of impedance which absorbs a complex power of 2300 VA with a 30 degrees angle at 115 V rms. 17. A series RLC circuit has R = 100, L = 40 × 10-6H and c = 60 × 10-12F. What is the resonant of the circuit in MHz? 18. A series circuit consists of a 120-ohm resistance, a 150 mH inductance and an unknown capacitance. The circuit is supplied with a voltage V = 100 sin377t. Find the value of the capacitance at resonance. 19. A parallel RLC circuit has a resonant frequency of 20, 000 rad/sec. If L is equal to 100 mH, find the value of C? 20. A tuned circuit is resonant at 400 kHz. Its Q is 100. What is its bandwidth? 21. A current of 2.5 A flows through a series circuit consisting of a 100 A resistor and an unknown capacitor across a source of 460 V, 50 Hz. What is the value of the capacitive reactance? 22. A circuit consists of a 4 1 resistor and 300 µF capacitor in series. It is connected across a 60 Hz voltage source with a 500 V peak voltage. What is the phasor form of the current? 23. The voltage across a given circuit is 15 + j10 V. What is the power supplied to the drcuit if the current through it is (18 - j5)A? 24. The following are in series R = 2, 000 n, L = 600 µH and C = 80, 000 pF. The voltage across the circuit is 200 V. What is the total impedance expressed in ohms if the frequency is 100 kHz?
16. Find the value of impedance which absorbs a complex power of 2300 VA with a 30 degrees angle at 115 V rms. 17. A series RLC circuit has R = 100, L = 40 × 10-6H and c = 60 × 10-12F. What is the resonant of the circuit in MHz? 18. A series circuit consists of a 120-ohm resistance, a 150 mH inductance and an unknown capacitance. The circuit is supplied with a voltage V = 100 sin377t. Find the value of the capacitance at resonance. 19. A parallel RLC circuit has a resonant frequency of 20, 000 rad/sec. If L is equal to 100 mH, find the value of C? 20. A tuned circuit is resonant at 400 kHz. Its Q is 100. What is its bandwidth? 21. A current of 2.5 A flows through a series circuit consisting of a 100 A resistor and an unknown capacitor across a source of 460 V, 50 Hz. What is the value of the capacitive reactance? 22. A circuit consists of a 4 1 resistor and 300 µF capacitor in series. It is connected across a 60 Hz voltage source with a 500 V peak voltage. What is the phasor form of the current? 23. The voltage across a given circuit is 15 + j10 V. What is the power supplied to the drcuit if the current through it is (18 - j5)A? 24. The following are in series R = 2, 000 n, L = 600 µH and C = 80, 000 pF. The voltage across the circuit is 200 V. What is the total impedance expressed in ohms if the frequency is 100 kHz?
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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Answer number 20.write your solution pls
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