A series ac circuit is operated at 2000 Hz with a 40-N resistor and 6-µF capacitor. If the phase- angle is 70°, how large is the inductance?
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- An ac source having a maximum voltage output of 45.2 V is connected in series with a 200-kΩ resistor, a 5.65-uH inductor, and a 205-nF capacitor. What is the maximum charge on the capacitor when the frequency of the source is adjusted so that the circuit is in resonance?An AC source has an output rms voltage of 78.0 V at a frequency of 80.0 Hz. If the source is connected across a 25.0 mH inductor, what is the inductive reactance of the circuit ?A 115- resistor, a 67 6-mH inductor, and a 189-uF capacitor are connected in series to an ac generator. At what frequency will the current in the circuit be a maximum?
- The phase angle of an LRC series circuit at a frequency of 1.8 kHz with a capacitive reactance of 200 Ω, a resistor of 200 Ω and a certain inductance is 15.0°. What is the value of the inductance in this circuit?A series LRC circuit consists of a 100 Ohm resistor, a 0.100 microFarad capacitor and a 2.00 mH inductor connected across a 120 V rms ac voltage source operating at 1000/pi. At what frequency will this circuit be in resonance?In a series RLC circuit, the AC source voltage is 70V. The voltage amplitude for the capacitor is 150V and voltage amplitude for the inductor is 90V. What is the voltage amplitude for the resistor?
- A 20 mH inductor is connected across an AC generator that produces a peak voltage of 10.0 V. What is the peak current through the inductor if the emf frequency is (a) 100 Hz? (b) 100 kHz?A series RCL circuit contains a 4.16-μF capacitor and a generator whose voltage is 14.8 V. At a resonant frequency of 1.25 kHz the power dissipated in the circuit is 29.5 W. Find the values of (a) the inductance and (b) the resistance. (c) Calculate the power factor when the generator frequency is 3.08 kHz. Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise. (a) Number i (b) Number (c) Number i Units Units Units