Electrical Engineering - Capacitors

Exercise : Capacitors - General Questions
11.
A 4.7 M resistor is in series with a 0.015 F capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?
35 ms
352 ms
3.5 s
70.5 ms
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current
increases
remains constant
decreases
ceases
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
Of the following capacitors, which one has the highest dielectric constant?
air
mica
glass
paper
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
A 0.01 F capacitor equals how many picofarads?
100 pF
1,000 pF
10,000 pF
100,000 pF
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
A 12 kHz voltage is applied to a 0.33 F capacitor, and 200 mA of rms current is measured. What is the value of the voltage?
8 V
80 V
80 mV
800 mV
Answer: Option
Explanation:
No answer description is available. Let's discuss.