# Home / EEE / Capacitors :: General Questions

### EEE :: Capacitors

1. A 10 F, 20 F, 22 F, and 100 F capacitor are in parallel. The total capacitance is

2.  A. 2.43 F B. 4.86 F C. 100 F D. 152 F   3. A capacitor and a resistor are connected in series to a sine wave generator. The frequency is set so that the capacitive reactance is equal to the resistance and, thus, an equal amount of voltage appears across each component. If the frequency is increased

4.  A. VR > VC B. VC > VR C. VR = VC D. VR and VC = 0   5. A capacitor of 0.02 F is larger than

6.  A. 0.000020 F B. 200,000 pF C. 2,000 pF D. all of the above   7. In Question 6, the capacitor will reach full charge in a time equal to approximately

8.  A. 6 RC B. 5 RC C. RC D. none of the above   9. What is the capacitance when Q = 60 C and V = 12 V?

10.  A. 720 F B. 5 F C. 50 F D. 12 F   11. A 0.47 F capacitor is across a 2 kHz sine wave signal source. The capacitive reactance is

12.  A. 170 B. 17 C. 0.000169 D. 1.7    13. Four 0.15 F capacitors are in parallel. The total capacitance is

14.  A. 0.15 F B. 0.30 F C. 0.6 F D. 0.8 F   15. Which of the following capacitors is polarized?

16.  A. mica B. ceramic C. plastic-film D. electrolytic   17. A capacitor of 2,000 pF is greater than

18.  A. 0.02 F B. 0.002 F C. 0.0002 F D. 0.0000002 F   19. A 220 resistor is in series with a 2.2 F capacitor. The time constant is

20.  A. 48 s B. 480 s C. 2.42 s D. 24 s   