An A.C series circuit as shown in the figure has aphase difference between current and the voltage.What is that phase difference?CRZ=\R² + X²O Negative, between -90° and 0°O ZeroO Positive if Xc >XLO Positive, between 0° and 90°

The phase difference in an AC circuit is defined as the difference in the argument or phase between…

An A.C series circuit as shown in the figure has a phase difference between current and the voltage. What is that phase difference? C Z=\R² + X² с. O Negative, between -90° and 0° O Zero O Positive if Xc >XL O Positive, between 0° and 90°

An A.C series circuit as shown in the figure has a phase difference between current and the voltage. What is that phase difference? C Z=\R² + X² с. O Negative, between -90° and 0° O Zero O Positive if Xc >XL O Positive, between 0° and 90°

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter32: Alternating-current Circuits

Section: Chapter Questions

Problem 3P: The current in the circuit shown in Figure P32.3 equals 60.0% of the peak current at t = 7.00 ms....

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A series RLC circuit has resistance R = 50.0 and inductance L. = 0.500 H. (a) Find the circuits capacitance C if the voltage source operates at a frequency of f = 60.0 Hz and the impedance is Z = R = 50.0 . (b) What is the phase angle between the current and the voltage?
A series RLC circuit has resistance R = 50.0 and inductance L. = 0.500 H. (a) Find the circuits capacitance C if the voltage source operates at a frequency of f = 60.0 Hz and the impedance is Z = R = 50.0 . (b) What is the phase angle between the current and the voltage?
A series RLC circuit has resonance angular frequency 2.00 103 rad/s. When it is operating at some input frequency, XL = 12.0 and XC = 8.00 . (a) Is this input frequency higher than, lower than, or the same as the resonance frequency? Explain how you can tell. (b) Explain whether it is possible to determine the values of both L and C. (c) If it is possible, find L and C. If it is not possible, give a compact expression for the condition that L and C must satisfy.
P33.80a shows a parallel RLC circuit. The instantaneous voltages (and rms voltages) across each of the three circuit elements are the same, and each is in phase with the current in the resistor. The currents in C and L lead or lag the current in the resistor as shown in the current phasor diagram, Figure P33.80b. (a) Show that the rms current delivered by the source is Irms=Vrms[1R2+(C1L)2]12 (b) Show that the phase angle between Vrms and Irms is given by tan=R(1Xc1XL)
The current in the circuit shown in Figure P32.3 equals 60.0% of the peak current at t = 7.00 ms. What is the lowest source frequency that gives this current? Figure P32.3 Problems 3 and 5.
Review. The voltage phasor diagram for a certain series RLC circuit is shown in Figure P33.59. The resistance of the circuit is 75.0 , and the frequency is 60.0 Hz. Find (a) the maximum voltage Vmax, (b) the phase angle , (c) the maximum current, (d) the impedance, (e) the capacitance and (f) the inductance of the circuit, and (g) the average power delivered to the circuit.
In an RLC series circuit, the voltage amplitude and frequency of the source are 100 V and 500 Hz, respectively, an R = 5O0. L=0.20H, and C=2.0F . (a)What is the impedance of the circuit? (b) What is the amplitude of the current from the source? (C) If the emf of the source Is given by v(tt)=(100V)sin , how does the current vary with time? (d) Repeat the calculations with C changed to 0.20F .
An ac source of voltage amplitude 10 V delivers electric energy at a rate of 0.80 W when its current output is 2.5 A. What is the phase angle between the emf and the current?
In a series RLC circuit with a maximum current of 0.250 A, an AC source with Vmax= 115 V operating at 60.0 Hz is connected to a 325-mH inductor, a 7.50-F capacitor, and a resistor with unknown resistance R. Draw a phasor diagram for this circuit, including the current, the potential difference across each of the circuit elements, and the source emf. Draw your diagram with the current phasor pointing upward along the vertical axis.
A 60.0-ft resistor is connected in series with a 30.0-F capacitor and a source whose maximum voltage is 120 V, operating at 60.0 Hz. Find (a) the capacitive reactance of the circuit, (b) the impedance of the circuit, and (c) the maximum current in the circuit. (d) Does the voltage lead or lag the current? (e) How will adding an inductor in series with the existing resistor and capacitor affect the current? Explain.
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