Capacitors MCQs
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 27% • Most missed: “A capacitor blocks A.C. but passes D.C.”
Capacitors MCQs
Time left 00:00
25 Questions

1. When the plate area of a capacitor increases,
2. A capacitor of 2,000 pF is greater than
3. The dielectric constant is the ability of a material to establish an electric field.
4. A 12 kHz voltage is applied to a 0.33 μF capacitor, and 200 mA of rms current is measured. What is the value of the voltage?
5. An uncharged capacitor and a 1 kΩ resistor are connected in series with a switch and a 6 V battery. At the instant the switch is closed, the voltage across the capacitor is
6. Four 0.15 μF capacitors are in parallel. The total capacitance is
7. The true power in a capacitor is zero.
8. A capacitor of 0.02 μF is larger than
9. Total parallel capacitance is less than that of the smallest capacitor in parallel.
10. A 0.01 μF capacitor equals how many picofarads?
11. Five time constants are required for a capacitor to charge fully or discharge fully.
12. A 10 μF, 20 μF, 22 μF, and 100 μF capacitor are in parallel. The total capacitance is
13. Two series capacitors (one 2 μF, the other of unknown value) are charged from a 24 V source. The 2 μF capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is
14. A 330 pF capacitor and a 220 pF capacitor are each connected across a 6 V dc source. The voltage across the 330 pF capacitor is
15. The ohm is the unit of capacitance.
16. A 0.47 μF capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is
17. A 4.7 MΩ resistor is in series with a 0.015 μF capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?
18. A 2 μF, a 4 μF, and a 10 μF capacitor are connected in series. The total capacitance is less than
19. A capacitor blocks A.C. but passes D.C.
20. Of the following capacitors, which one has the highest dielectric constant?
21. Which of the following capacitors is polarized?
22. Energy is stored by a capacitor in a magnetic field.
23. XC is inversely proportional to frequency and capacitance.
24. Voltage leads current by 90° in a capacitor.
25. What is the capacitance when Q = 60 μC and V = 12 V?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Electrical Engineering Interview Test Basic Electricity- Electrical Symbols Electrical Engineering - Magnetism And Electromagnetism MCQs Electrical Machines Practice Test Questions Electrical Engineering - Opamp Circuits MCQs Electrical Engineering - Rectifiers & Converters MCQs Electrical Engineering Most Important MCQs Electrical Engineering - Economics Of Power Generation MCQs Basic Electricity Review Electromagnetic Induction Circuit Practice Test
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.