MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For which medium capacitance is high? |
| A. | Air |
| B. | Mica |
| C. | Water |
| D. | Metal |
| Answer» E. | |
| 2. |
What is the value of capacitance of a capacitor which has a voltage of 4V and has 16C of charge? |
| A. | 2F |
| B. | 4F |
| C. | 6F |
| D. | 8F |
| Answer» C. 6F | |
| 3. |
Which of the following is a passive device? |
| A. | Transistor |
| B. | Rectifier |
| C. | Capacitor |
| D. | Vaccuum Tubes |
| Answer» D. Vaccuum Tubes | |
| 4. |
If a parallel plate capacitor of plate area 2m2 and plate separation 1m store the charge of 1.77*10-11 C. What is the voltage across the capacitor? |
| A. | 1V |
| B. | 2V |
| C. | 3V |
| D. | 4V |
| Answer» B. 2V | |
| 5. |
Why does capacitor block dc signal at steady state? |
| A. | due to high frequency of dc signal |
| B. | due to zero frequency of dc signal |
| C. | capacitor doesnot pass any current at steady state |
| D. | due to zero frequency of dc signal |
| Answer» E. | |
| 6. |
Capacitor blocks__________ after long time. |
| A. | alternating current |
| B. | direct current |
| C. | both alternating and direct current |
| D. | neither alternating nor direct current |
| Answer» C. both alternating and direct current | |
| 7. |
Capacitor stores which type of energy? |
| A. | kinetic energy |
| B. | vibrational energy |
| C. | potential energy |
| D. | heat energy |
| Answer» D. heat energy | |
| 8. |
Capacitor is a device used to__________ |
| A. | store electrical energy |
| B. | vary the resistance |
| C. | store magnetic energy |
| D. | dissipate energy |
| Answer» B. vary the resistance | |
| 9. |
Unit of capacitance is _________? |
| A. | Volts |
| B. | Farad |
| C. | Henry |
| D. | Newton |
| Answer» C. Henry | |
| 10. |
What is the value of capacitance of a capacitor which has a voltage of 4V and ha 16C of charge? |
| A. | 2F |
| B. | 4F |
| C. | 6F |
| D. | 8F |
| Answer» C. 6F | |
| 11. |
Capacitance decreases with _________ |
| A. | Increase in distance between the plates |
| B. | Decrease in plate area |
| C. | Decrease in distance between the plates |
| D. | Increase in density of the material |
| Answer» D. Increase in density of the material | |
| 12. |
Capacitance increases with ______ |
| A. | Increase in plate area |
| B. | Decrease in plate area |
| C. | Increase in distance between the plates |
| D. | Increase in density of the material |
| Answer» B. Decrease in plate area | |
| 13. |
Capacitor preferred when there is a high frequency in the circuits is ______ |
| A. | Electrolyte capacitor |
| B. | Mica capacitor |
| C. | Air capacitor |
| D. | Glass capacitor |
| Answer» C. Air capacitor | |
| 14. |
A capacitor consists of___________ |
| A. | Two conductors |
| B. | Two semiconductors |
| C. | Two dielectrics |
| D. | Two insulators |
| Answer» B. Two semiconductors | |
| 15. |
For very low frequencies, capacitor acts as _______ |
| A. | Open circuit |
| B. | Short circuit |
| C. | Amplifier |
| D. | Rectifier |
| Answer» B. Short circuit | |
| 16. |
For high frequencies, capacitor acts as _______ |
| A. | Open circuit |
| B. | Short circuit |
| C. | Amplifier |
| D. | Rectifier |
| Answer» C. Amplifier | |