An L - R - C series circuit with L = 0.120 H, R = 240 Ω, and C = 7.30 μ F carries an rms current of 0.450 A with a frequency of 400 Hz. (a) What are the phase angle and power factor for this circuit? (b) What is the impedance of the circuit? (c) What is the rms voltage of the source? (d) What average power is delivered by the source? (e) What is the average rate at which electrical energy is converted to thermal energy in the resistor? (f) What is the average rate at which electrical energy is dissipated (converted to other forms) in the capacitor? (g) In the inductor?
An L - R - C series circuit with L = 0.120 H, R = 240 Ω, and C = 7.30 μ F carries an rms current of 0.450 A with a frequency of 400 Hz. (a) What are the phase angle and power factor for this circuit? (b) What is the impedance of the circuit? (c) What is the rms voltage of the source? (d) What average power is delivered by the source? (e) What is the average rate at which electrical energy is converted to thermal energy in the resistor? (f) What is the average rate at which electrical energy is dissipated (converted to other forms) in the capacitor? (g) In the inductor?
An L-R-C series circuit with L = 0.120 H, R = 240 Ω, and C = 7.30 μF carries an rms current of 0.450 A with a frequency of 400 Hz. (a) What are the phase angle and power factor for this circuit? (b) What is the impedance of the circuit? (c) What is the rms voltage of the source? (d) What average power is delivered by the source? (e) What is the average rate at which electrical energy is converted to thermal energy in the resistor? (f) What is the average rate at which electrical energy is dissipated (converted to other forms) in the capacitor? (g) In the inductor?
A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applied to a series LCR circuit in which R = 3 Ω, L = 25.48 mH, and C = 796 µF. Find (a) the impedance of the circuit; (b) the phase difference between the voltage across the source and the current; (c) the power dissipated in the circuit; and (d) thepower factor.
Consider a series RLC circuit with R = 12.0 Ω, L = 0.400 H, C = 68 μF, and a maximum voltage of 250 V. (c) What is the rms current through the circuit at resonance?
Consider a series RLC circuit with R = 12.0 Ω, L = 0.400 H, C = 68 μF, and a maximum voltage of 250 V. (d) What is the impedance at 60.0 Hz?
Consider a series RLC circuit with R = 12.0 Ω, L = 0.400 H, C = 68 μF, and a maximum voltage of 250 V. (e) What is the rms current in the circuit at a frequency of 60 Hz?
Compute the impedance Z of a series R-L-C circuit at angular frequencies ω =
(a) 751 rad/s
Assume R = 201 Ω, L = 0.902 H and C = 2.01 μF.
(b) What is the resonant angular frequency ωRES of the circuit?
Assume the voltage source amplitude is Vm = 100.00 (V).
(c) What is the current amplitude Im when the circuit is at the resonant angular frequency? What is the current amplitude Im when the circuit is at 751 rad/s? Should their answers to be nearly equal? Explain.
Chapter 31 Solutions
University Physics with Modern Physics (14th Edition)
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