In an L-R-C series ac circuit, the source has a voltage amplitude of 240 V, R = 90.0 Ω, and the reactance of the inductor is 320 Ω. The voltage amplitude across the resistor is 135 V. (a) What is the current amplitude in the circuit? (b) What is the voltage amplitude across the inductor? (c) What two values can the reactance of the capacitor have? (d) For which of the two values found in part (c) is the angular frequency less than the resonance angular frequency? Explain.
In an L-R-C series ac circuit, the source has a voltage amplitude of 240 V, R = 90.0 Ω, and the reactance of the inductor is 320 Ω. The voltage amplitude across the resistor is 135 V. (a) What is the current amplitude in the circuit? (b) What is the voltage amplitude across the inductor? (c) What two values can the reactance of the capacitor have? (d) For which of the two values found in part (c) is the angular frequency less than the resonance angular frequency? Explain.
Chapter15: Alternating-current Circuits
Section: Chapter Questions
Problem 28P: An PLC series circuit with R=600 , L = 30 mH. and c=0.050F is driven by an ac source whose frequency...
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In an L-R-C series ac circuit, the source has a voltage amplitude of 240 V, R = 90.0 Ω, and the reactance of the inductor is 320 Ω. The voltage amplitude across the resistor is 135 V. (a) What is the current amplitude in the circuit? (b) What is the voltage amplitude across the inductor? (c) What two values can the reactance of the capacitor have? (d) For which of the two values found in part (c) is the angular frequency less than the resonance angular frequency? Explain.
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