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RLC Circuits and Resonance problems
1. What is the high cutoff frequency for an RLC circuit that resonates at 2000 Hz and has a bandwidth of 250 Hz?
Options
A. 2125 Hz
B. 2250 Hz
C. 1750 Hz
D. 8.0 Hz
Show Answer
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Discuss
Correct Answer: 2125 Hz
2. When X
C
= X
L
the circuit:
Options
A. draws maximum current
B. applied voltage is zero
C. is at resonance
D. draws minimum current
Show Answer
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Discuss
Correct Answer: is at resonance
3. What is the band pass (F
1
? F
2
) of an RLC filter that resonates at 150 kHz and has a coil Q of 30?
Options
A. 100.0 kHz to 155.0 kHz
B. 147.5 kHz to 152.5 kHz
C. 295.5 kHz to 4500 kHz
D. 149,970 Hz to 150,030 Hz
Show Answer
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Discuss
Correct Answer: 147.5 kHz to 152.5 kHz
4. What is the applied voltage for a series RLC circuit when I
T
= 3 mA, V
L
= 30 V, V
C
= 18 V, and R = 1000 ohms?
Options
A. 3.00 V
B. 12.37 V
C. 34.98 V
D. 48.00 V
Show Answer
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Discuss
Correct Answer: 12.37 V
5. Series RLC voltage or impedance totals must be calculated by:
Options
A. subtracting the values
B. graphing the angles
C. adding vectors
D. multiplying the values
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Discuss
Correct Answer: adding vectors
6. What is the total current?
Options
A. 56.6 mA
B. 141 mA
C. 191 mA
D. 244 mA
Show Answer
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Discuss
Correct Answer: 141 mA
7. What is the current phase angle for a parallel RLC circuit when I
L
= 15.3 A, I
C
= 0.43 A, and I
R
= 3.5 A?
Options
A. 76.7 degrees
B. ?4.25 degrees
C. 88.8 degrees
D. ?76.7 degrees
Show Answer
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Discuss
Correct Answer: ?76.7 degrees
8. Current in a series RLC circuit may always be used as:
Options
A. a leading vector
B. a reference
C. an angle
D. a lagging vector
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Discuss
Correct Answer: a reference
9.
What is the voltage across the capacitor in the given circuit?
Options
A. 6.8 V
B. 11.9 V
C. 16.1 V
D. 22.9 V
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Discuss
Correct Answer: 22.9 V
10. What is the impedance of the circuit?
Options
A. 12.2 kΩ
B. 14.5 kΩ
C. 17.8 kΩ
D. 20.3 kΩ
Show Answer
Scratch Pad
Discuss
Correct Answer: 20.3 kΩ
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More in Electronics:
Alternating Current and Voltage
Alternating Current vs Direct Current
Analog and Digital Converters
Analog to Digital
Arithmetic Operations and Circuits
Basic Op-Amp Circuits
Bipolar Junction Transistors (BJT)
Capacitors
Combinational Logic Circuits
Computer Hardware and Software
Diodes and Applications
Field Effect Transistors (FET)
Flip-Flops and Timers
Inductors
Logic Circuit Simplification
Logic Gates
Magnetism and Electromagnetism
Measurement, Conversion and Control
Number Systems and Codes
Ohm's Law
Operational Amplifiers
Parallel Circuits
Programmable Logic Devices (PLD)
Quantities and Units
RC Circuits
Resistance and Power
RL Circuits
RLC Circuits and Resonance
Semiconductor Memory
Semiconductor Principles
Sequential Logic Circuits
Series-Parallel Circuits
Series Circuits
Special-Purpose Op-Amp Circuits
Standard Logic Devices (SLD)
Testing and Troubleshooting
Thyristors and Tranducers
Time Response of Reactive Circuits
Transformers
Transistors and Applications
Voltage and Current
