Question

An L-R-C circuit has L = 4.5 H, R = 80 Ω, C = 45 μF (μF = 10-6 F) connected in series to the voltage source with an amplitude 45 V and frequency 50 Hz.

Find the instantaneous values at t = 6 ms (ms = 10-3 s) of the
voltages (in V) across the voltage source v, resistor
v_{R}, inductor v_{L}, and capacitor
v_{C}

Answer #1

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An L-R-C series circuit consists of a
60.0 Ω resistor, a 16.0 μF capacitor, a 4.00 mH inductor,
and an ac voltage source of voltage amplitude 55.0 V operating at
1500 Hz .
a. Find the current amplitude across the inductor, the resistor,
and the capacitor.
b. Find the voltage amplitudes across the inductor, the
resistor, and the capacitor. Enter your answers numerically
separated by commas. (VL, VR,
VC)
e. Find new current amplitude across the inductor, the resistor,
and...

A 217 Ω resistor, a 0.775 H inductor, and a 6.50 μF
capacitor are connected in series across a voltage source that has
voltage amplitude 31.5 Vand an angular frequency of 225 rad/s .
What is v at t= 19.5 ms ?
What is vR at t= 19.5 ms ?
What is vL at t= 19.5 ms ?
What is vC at t= 19.5 ms
?
Compare
vC+vL+vR and
v at this instant:
What is VR?
What is VC?
What is...

An L-R-C series circuit consists of a
60.0 Ω resistor, a 16.0 μF capacitor, a 4.00 mH inductor,
and an ac voltage source of voltage amplitude 55.0 V operating at
1500 Hz .
The current amplitude across the inductor, the resistor, and the
capacitor is 0.814A...now, double the frequency and...
a. Find new current amplitude across the inductor, the resistor,
and the capacitor.
b. Find new voltage amplitudes across the inductor, the
resistor, and the capacitor.

An L-R-C series circuit driven by an AC source has the phasors
shown. At the instant shown in the phasor diagram, ω t =
π 3. If the voltage amplitude across the resistor is
VR = 16.00 V, and the voltage amplitude across
the inductor is also VL = 16.00 V, then what is
the instantaneous voltage across the inductor at the instant shown
in the phasor diagram?

A 212 Ω resistor, a 0.800 H inductor, and a 6.75
μFcapacitor are connected in series across a voltage
source that has voltage amplitude 29.5 V and an angular frequency
of 230 rad/s .
A) What is v at t= 22.0 ms ?
B) What is vR at t= 22.0 ms ?
C) What is vL at t= 22.0
ms ?
D) What is vC at t= 22.0
ms ?
E) Compare
vC+vL+vR
and v at this instant:
vC+vL+vR=v,
vC+vL+vR<v,...

A 23-Ω resistor, 58-μF capacitor, and 3.5-mH inductor are
connected in series with an AC source of amplitude 12 V and
frequency 120 Hz.
Part (h) With a source voltage of
Vsource = V0
cos(2πft), what is the instantaneous voltage, in volts,
across the capacitor at time t = 2.25 s?
Part (i) What is the amplitude of the voltage
drop across the inductor, in volts?
Part (j) With a source voltage of
Vsource =
V0cos(2πft), what is the instantaneous...

A resistor (R = 9.00 ✕ 102 Ω), a
capacitor (C = 0.250 μF), and an
inductor (L = 2.30 H) are connected in series
across a 2.40 ✕ 102-Hz AC source for which
ΔVmax = 1.15 ✕ 102 V.
a.) Calculate the impedance of the circuit.
b.) Calculate the maximum current delivered by the source.
c.) Calculate the phase angle between the current and
voltage.
d.) Is the current leading or lagging behind the
voltage?

An
R = 58.9 Ω resistor is connected in series with a C = 18.1 μF
capacitor and a 190 Hz, 114 V source. Calculate the current in the
circuit.
What is the value of the inductor that must be inserted in the
circuit to reduce the current to one half that found in the
previous problem?

You have a resistor of resistance 250 Ω , an inductor of
inductance 0.370 H , a capacitor of capacitance 5.90 μF and a
voltage source that has a voltage amplitude of 26.0 V and an
angular frequency of 280 rad/s . The resistor, inductor, capacitor,
and voltage source are connected to form an L-R-C series
circuit.
Part A
What is the impedance of the circuit?
Part B
What is the current amplitude?
Part C
What is the phase angle...

An L-R-C series circuit L = 0.123 H ,
R = 242 Ω , and C = 7.32 μF carries an
rms current of 0.445 A with a frequency of 401 Hz .
a. What is the phase angle?
b. What is the power factor for this circuit?
c. What is the impedance of the circuit?
d. What is the rms voltage of the source?
e) What is the average rate at which electrical energy is
converted to thermal energy...

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