A 14.7- resistor, a 17.0-µF capacitor, and a 16.8-mH inductor are connected in series with a 183-V generator. (a) At what frequency is the current a maximum? (b) What is the maximum value of the rms current? Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise. (a) Number Units (b) Number i Units

A 14.7- resistor, a 17.0-µF capacitor, and a 16.8-mH inductor are connected in series with a 183-V generator. (a) At what frequency is the current a maximum? (b) What is the maximum value of the rms current? Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise. (a) Number Units (b) Number i Units

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter15: Alternating-current Circuits

Section: Chapter Questions

Problem 15.8CYU: Check Your Understanding The resonant angular frequency of an RLC series circuit is 4.0102 rad/s. An...

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Similar questions

In an RLC series circuit, can the voltage measured across the capacitor be greater than the voltage of the source? Answer the same question for the voltage across the inductor.
Check Your Understanding What happens to the resonant frequency of an RLC series circuit when the following quantities are increased by a factor of 4: (a) the capacitance, (b) the self-inductance, and (c) the resistance?
At s1iat frequency is the reactance of a 20F capacitor equal to that of a 10-mH inductor?
Calculate the rms currents for an ac source is given by v(t)=v0sint , where V0=100V and =200rad/s when connected across (a) a 20F capacitor, (b) a 20-mH inductor, and (c) a 50 resistor.
Explain why at high frequencies a capacitor acts as an ac short, whereas an inductor acts as an open circuit.
In an oscillating LC circuit, the maximum charge on the capacitor is qm. Determine the charge on the capacitor and the current through the inductor den energy is shared equally between the electric and magnetic fields. Express your answer in terms of qm, L, and C.
What is the self-inductance of an LC circuit that oscillates at 60 Hz 1ien the capacitance is 10 F ?
Check Your Understanding The resonant angular frequency of an RLC series circuit is 4.0102 rad/s. An ac source operating at this frequency transfers an average power of 2.0102W to the circuit. The resistance of the circuit Is 0.50 Q. Write an expression for the emf of the source.
Check Your Understanding Find the voltages across the resistor, the capacitor, and the inductor in the circuit of Figure 15.11using v(t)=v0sint asthe output of the ac generator.
Show that N m /l and el(dl/dt), which are both expressions for se1f-inductance, have the same units.
An LC circuit in an AM tuner (in a car stereo) uses a coil with an inductance of 2.5 mH and a variable capacitor. If the natural frequency of the circuit is to be adjustable over the range 540 to 1600 kHz (the AM broadcast band), that range of capacitance is required?
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?