What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms

CuriousTab

C Programming C# Programming C++ Programming Database Java Programming Networking

Biochemical Engineering Biochemistry Biotechnology Chemical Engineering Civil Engineering Computer Science Digital Electronics Electrical Engineering Electronics Electronics and Communication Engineering Mechanical Engineering Microbiology Technical Drawing

Current Affairs General Knowledge

Data Interpretation Logical Reasoning Non Verbal Reasoning Verbal Ability Verbal Reasoning

AIEEE Bank Exams CAT GATE IIT JEE TOEFL

Analyst Bank PO Database Administrator IT Trainer Network Engineer Project Manager Software Architect

Discussion

Home ‣ Electronics ‣ Capacitors Comments

Question
What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms and the capacitive reactance equals 5 ohms?
Options
A. 0.2 ohms
B. 3.5 ohms
C. 4.6 ohms
D. 13 ohms

Correct Answer

4.6 ohms

Capacitors problems

Search Results

1. What will a 1 µF capacitor store?
Options
A. one coulomb of charge
B. 6.24 x 10¹² electrons
C. one volt
D. one µA of current

Discuss

Correct Answer: 6.24 x 10¹² electrons

2. What is the impedance of a series RC circuit that consists of a 0.22 µF capacitor and a 200-ohm resistor connected to a 3 kHz source?
Options
A. 214 ohms
B. 313 ohms
C. 414 ohms
D. 880 ohms

Discuss

Correct Answer: 313 ohms

3. A capacitor has 25 V across its plates and a stored charge of 1500 µC. What is the capacitance value?
Options
A. 60 pF
B. 60 µF
C. 16.67 mF
D. 37.5 mF

Discuss

Correct Answer: 60 µF

4. Capacitor value markings are usually:
Options
A. alphanumeric
B. color dabs
C. standard
D. white print

Discuss

Correct Answer: alphanumeric

5. What is the circuit's total current?
Options
A. 4.57 mA
B. 9.327 mA
C. 11.570 mA
D. 13.830 mA

Discuss

Correct Answer: 4.57 mA

6. When is a capacitor fully charged?
Options
A. when the voltage across its plates is of the voltage from ground to one of its plates
B. when the current through the capacitor is the same as when the capacitor is discharged
C. when the voltage across the plates is 0.707 of the input voltage
D. when the current through the capacitor is directly proportional to the area of the plates

Discuss

Correct Answer: when the current through the capacitor is the same as when the capacitor is discharged

7. The quantity that represents an ideal capacitor dissipating 0 W of power is
Options
A. instantaneous power
B. true power
C. reactive power
D. resistive power

Discuss

Correct Answer: true power

8. What is this circuit?
Options
A. bandpass filter
B. high-pass filter
C. low-pass filter
D. differentiator

Discuss

Correct Answer: high-pass filter

9. If the dielectric constant of a capacitor is decreased, then its capacitance will:
Options
A. increase
B. decrease
C. remain the same
D. be destroyed

Discuss

Correct Answer: decrease

10. In an ac circuit, a capacitor and an output resistor are connected in series with an ac signal. What filter action will be the result?
Options
A. bandpass
B. low-pass
C. high-pass
D. band-stop

Discuss

Correct Answer: high-pass

Comments

Enter a new Comment

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

Aptitude

Time and Distance
Volume and Surface Area
Problem on Trains
Permutation and Combination

Engineering

Civil Engineering
Computer Science
Mechanical Engineering
Technical Drawing

Programming

C Programming
C# Programming
C++ Programming
Java Programming

Reasoning

Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning

CuriousTab

CuriousTab

Discussion

What is the impedance of an ac RC parallel circuit if the resistance is 12 ohms and the capacitive reactance equals 5 ohms?

Capacitors problems

Search Results

More in Electronics:

Aptitude

Engineering

Programming

Reasoning

Links

Social