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Capacitors problems
1. Which of the following is the reference vector for parallel RC circuits?
Options
A. R
B. I
C. C
D. V
Show Answer
Scratch Pad
Discuss
Correct Answer: V
2. Select the equation below that represents the relationship between charge, capacitance, and voltage for a capacitor.
Options
A. Q = CV
B. C = QV
C.
D. V = IR
Show Answer
Scratch Pad
Discuss
Correct Answer: Q = CV
3. What circuit has the following frequency response?
Options
A. bandpass filter
B. high-pass filter
C. low-pass filter
D. integrator
Show Answer
Scratch Pad
Discuss
Correct Answer: low-pass filter
4. What is the capacitive reactance if I = 1 amp, V = 2 volts, C = 5 F, and frequency = 10 Hz?
Options
A. 0.2 Ω
B. 0.5 Ω
C. 0.02 Ω
D. 0.003 Ω
Show Answer
Scratch Pad
Discuss
Correct Answer: 0.003 Ω
5. To find the total capacitance of capacitors in parallel, sum the values of the individual capacitors.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
6. The frequency response curve for a low-pass filter illustrates that as the frequency of the input increases, the voltage of the output will decrease.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
7.
The total capacitance in the given circuit is larger than the value of C
4
.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
8. In an RC series circuit V
S
= V
C
+ V
R
.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
9. Capacitors are often used as filters.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: True
10. When a capacitor is charging, current will flow through its dielectric.
Options
A. True
B. False
Show Answer
Scratch Pad
Discuss
Correct Answer: False
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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
