Question

A series RLC circuit consists of a 65 Ω resistor, a 0.52 H inductor, and a 35 μF capacitor. It is attached to a 120 V/60 Hz power line. A. What is the peak current II at this frequency? B. What is the phase angle ϕ? C. What is the average power loss?

Answer #1

Problem 32.51-- A series RLC circuit consists of a 80 Ω
resistor, a 0.52 H inductor, and a 50 μF capacitor. It is attached
to a 120 V/60 Hz power line.
a) What is the peak current I at this frequency? Express your
answer with the appropriate units
b) What is the phase angle ϕ?
c) What is the average power loss? Express your answer with the
appropriate units.

An RLC series circuit has a 3.30 Ω resistor, a 120 μH inductor,
and an 65.0 μF capacitor.
(a)Find the power factor at f = 120 Hz.
(b)What is the phase angle at 120 Hz?
(c) If the voltage source has Vrms = 4.10 V, what is
the average power at 120 Hz?
(d)Find the average power at the circuit’s resonant
frequency.

A series RLC circuit consists of a 59.0 Ω resistor, a
5.10 mH inductor, and a 310 nF capacitor. It is connected to an
oscillator with a peak voltage of 5.10 V.
Determine phase angle at frequency 3000 HzHz.
I kept getting -38.2 degrees, which is wrong. Someone please
help!! Thanks!

A circuit consists of a 215-Ω resistor and a 0.200-H inductor.
These two elements are connected in series across a generator that
has a frequency of 120 Hz and a voltage of 235 V.
(a) What is the current in the circuit?
???A
(b) Determine the phase angle between the current and the voltage
of the generator.
???°

A 180 Ω resistor is in series with a 0.105 H inductor and a
0.400 μF capacitor.
(A) Compute the impedance of the circuit at a frequency of
f1 = 500 Hz and at a frequency of f2 = 1000 Hz
.
(B) In each case, compute the phase angle of the source voltage
with respect to the current.

A series RLC circuit has a capacitor with a capacitance of 32.0
?F , an inductor with an inductance of 0.400 H and a resistor with
a resistance of 137 ?. The circuit has a rms current of 5.40 A when
the frequency is 55.0 Hz. What is ?rms, the phase angle
and the average power loss?
The ?rms:
The Phase Angle:
The Average Power Loss:

A series RLC circuit contains a 210 Ω resistor, a 17.0 mH
inductor, a 2.70 μF capacitor, and an AC voltage source of
amplitude 45.0 V operating at an angular frequency of 360
rad/s.
(a) What is the power factor of this circuit?
(b) Find the average power delivered to the entire circuit by
the source, in W
(c) What is the average power delivered to the capacitor, in
W?

A series RLC circuit consists of a 40.0 Ω resistor, a
2.70 mH inductor, and a 410 nF capacitor. It is connected to a 3.0
kHz oscillator with a peak voltage of 6.00 V.
A. What is the instantaneous emf when i =I?
B. What is the instantaneous emf when i =0 A and is
decreasing?
C. What is the instantaneous emf when i =−I?

An RLC series circuit has a 200 Ω resistor and a 25.0 mH
inductor. At 7800 Hz, the phase angle is 45.0°.
(a) What is the impedance (in ohms)? _____Ω
(b) Find the minimum possible capacitance (in nanofarads) of the
circuit. ______nF
(c) If Vrms = 408 V is applied, what is the average power (in
watts) supplied? _____W

An RLC series circuit has a 2.25 Ω resistor, a 85 μH inductor,
and a 72.5 μF capacitor.
A) Find the circuit’s impedance, in ohms, at 135 Hz.
(b) Find the circuit’s impedance, in ohms, at
2.5 kHz.
(c) If the voltage source supplies an rms voltage
of 5.58 V, what is the circuit’s rms current, in amperes, at a
frequency of 135 Hz?
(d) If the voltage source supplies an rms voltage
of 5.58 V, what is the circuit’s...

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