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17. A series RLC circuit has R = 100, L = 40 × 10-6H and C = 60 x 10-12F. What is the resonant of the circuit in MHz?

17. A series RLC circuit has R = 100, L = 40 × 10-6H and C = 60 x 10-12F. What is the resonant of the circuit in MHz?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Answer number 17.write your solution pls
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 N 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 N 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? 25. The maximum instantaneous voltage and current output of an alternator are 300 V and 20 A, respectively. What is the power output in watts if the voltage leads the current by 30°. 26. A two-element series circuit with R = 15 N, L = 20 mH has an impedance of 30 ohms and an unknown angle. What is the frequency in Hz? 27. A 15mH pure inductance is connected in parallel with one microfarad capacitor and a 1kohm resistor. What frequency will the circuit be in resonance? 28. A 10 ohm resistor is connected in parallel to an impedance Z = 20 – j4 ohms. Find the circuit power factor? 29. The resistor of 100 ohms and unknown impedance coil in series draw 12 A from a 120 v, 60 Hz line. If the reactive power taken from the line is 1152 vars, what is the coil inductance? 30. A parallel circuit consists of a resistor having a conductance of 14 mhos, an inductive reactor having a susceptance of 8.8 mhos and a capacitive reactor having a susceptance of 15 mhos. What is the impedance of the circuit?
Transcribed Image Text: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 N 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 N 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? 25. The maximum instantaneous voltage and current output of an alternator are 300 V and 20 A, respectively. What is the power output in watts if the voltage leads the current by 30°. 26. A two-element series circuit with R = 15 N, L = 20 mH has an impedance of 30 ohms and an unknown angle. What is the frequency in Hz? 27. A 15mH pure inductance is connected in parallel with one microfarad capacitor and a 1kohm resistor. What frequency will the circuit be in resonance? 28. A 10 ohm resistor is connected in parallel to an impedance Z = 20 – j4 ohms. Find the circuit power factor? 29. The resistor of 100 ohms and unknown impedance coil in series draw 12 A from a 120 v, 60 Hz line. If the reactive power taken from the line is 1152 vars, what is the coil inductance? 30. A parallel circuit consists of a resistor having a conductance of 14 mhos, an inductive reactor having a susceptance of 8.8 mhos and a capacitive reactor having a susceptance of 15 mhos. What is the impedance of the circuit?
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