Two resistors R₁ = 401, R₂ = 929, a capacitor C = 2.75 μF, and an inductor L = 6.30 mH, are connected to a sinusoidal voltage source with an rms voltage of 92.0 V as shown in the diagram below. www R₁ www R₂ C L mor Vrms (a) Determine the rms current from the source for very large frequencies. 0.229 A (b) Determine the rms current from the source for very small frequencies. 0.097 x What is the inductive reactance for small values of the frequency? What happens to the current through the capacitor for small frequencies? A

Two resistors R₁ = 401, R₂ = 929, a capacitor C = 2.75 μF, and an inductor L = 6.30 mH, are connected to a sinusoidal voltage source with an rms voltage of 92.0 V as shown in the diagram below. www R₁ www R₂ C L mor Vrms (a) Determine the rms current from the source for very large frequencies. 0.229 A (b) Determine the rms current from the source for very small frequencies. 0.097 x What is the inductive reactance for small values of the frequency? What happens to the current through the capacitor for small frequencies? A

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 57PQ

See similar textbooks

Similar questions

A 1.5k resistor and 30-mH inductor are connected in series, as below, across a120-V(rms)ac power source oscillating at 60-Hz frequency. (a) Find the current in the circuit. (b) Find the voltage drops across the resistor and inductor. (C) Find the impedance of the circuit. (d) Find the power dissipated in the resistor. (e) Find the power dissipated in the inductor. (1) Find the power produced by the source.
A series RLCcircuit contains a 20.0- resistor, a 0.750-F capacitor, and a 120-mH inductor. (i) 11 a sinusoidally varying rms voltage of 120 V at f = 500 Hz is applied across this combination of elements, what is the rms current in the circuit? (a) 2.33 A (b) 6.00 A (c) 10.0 A (d) 17.0 A (e) none of those answers (ii) What If? W hat is the rms current in the circuit when operating at its resonance frequency? Choose from the same possibilities as in part (i).
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?
In a purely inductive AC circuit as shown in Figure P21.15, Vmax = 100. V. (a) The maximum current is 7.50 A at 50.0 Hz. Calculate the inductance L. (b) At what angular frequency is the maximum current 2.50A? Figure p21.15
Problems 71 and 72 paired. Figure P33.71 shows a series RLC circuit with a 25.0- resistor, a 430.0-mH inductor, and a 24.0-F capacitor connected to an AC source with Vmax = 60.0 V operating at 60.0 Hz. What is the maximum voltage across the a. resistor, b. inductor, and c. capacitor in the circuit? FIGURE P33.71 Problems 71 and 72.
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?
For an RLC series circuit, the voltage amplitude and frequency of the source are 100 V and 500 Hz, respectively; R=500 ; and L = 0.20H . Find the average power dissipated in the resistor for the following values for the capacitance: (a) C=2.0F and (b) C=2.0F .
The self-inductance and capacitance of an LC circuit e 0.20 mH and 5.0 pF. What is the angular frequency at which the circuit oscillates?
In the LC circuit in Figure 33.11, the inductance is L = 19.8 mH and the capacitance is C = 19.6 mF. At some moment, UB = UE= 17.5 mJ. a. What is the maximum charge stored by the capacitor? b. What is the maximum current in the circuit? c. At t = 0, the capacitor is fully charged. Write an expression for the charge stored by the capacitor as a function of lime. d. Write an expression for the current as a function of time.
A 40-mH inductor is connected to a 60-Hz AC source whose voltage amplitude is 50 V. If an AC voltmeter is placed across the inductor, what does it read?