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```Chapter 23 | Electromagnetic Induction, AC Circuits, and Electrical Technologies
kHz. (c) If the voltage source has
V rms = 5.60 V , what is
I rms at each frequency? (d) What is the resonant frequency
I rms at resonance?
of the circuit? (e) What is
102. An RLC series circuit has a
150 Î¼H inductor, and a 25.0 nF capacitor. (a) Find the
circuitâs impedance at 500 Hz. (b) Find the circuitâs
impedance at 7.50 kHz. (c) If the voltage source has
V rms = 408 V , what is I rms at each frequency? (d) What
is the resonant frequency of the circuit? (e) What is
I rms at
resonance?
103. An RLC series circuit has a
inductor, and an
at
2.50 Î© resistor, a 100 Î¼H
80.0 Î¼F capacitor. (a) Find the power factor
f = 120 Hz . (b) What is the phase angle at 120 Hz? (c)
What is the average power at 120 Hz? (d) Find the average
power at the circuitâs resonant frequency.
104. An RLC series circuit has a
150 Î¼H inductor, and a 25.0 nF capacitor. (a) Find the
power factor at
f = 7.50 Hz . (b) What is the phase angle at
this frequency? (c) What is the average power at this
frequency? (d) Find the average power at the circuitâs
resonant frequency.
105. An RLC series circuit has a
200 Î© resistor and a 25.0
mH inductor. At 8000 Hz, the phase angle is 45.0Âº . (a) What
is the impedance? (b) Find the circuitâs capacitance. (c) If
V rms = 408 V is applied, what is the average power
supplied?
106. Referring to Example 23.14, find the average power at
10.0 kHz.
163
```
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