Capacitors - General Questions (2)

Directions to Solve

Capacitors - General Questions

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?

A.	8 V
B.	80 V
C.	80 mV
D.	800 mV

Answer: Option A

Explanation:

No answer description available for this question.

10.

A 0.01 F capacitor equals how many picofarads?

A.	100 pF
B.	1,000 pF
C.	10,000 pF
D.	100,000 pF

Answer: Option C

Explanation:

No answer description available for this question.

11.

Of the following capacitors, which one has the highest dielectric constant?

A.	air
B.	mica
C.	glass
D.	paper

Answer: Option C

Explanation:

No answer description available for this question.

12.

A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current

A.	increases
B.	remains constant
C.	decreases
D.	ceases

Answer: Option C

Explanation:

No answer description available for this question.

13.

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?

A.	35 ms
B.	352 ms
C.	3.5 s
D.	70.5 ms

Answer: Option B

Explanation:

No answer description available for this question.

14.

A 220 resistor is in series with a 2.2 F capacitor. The time constant is

A.	48 μs
B.	480 μs
C.	2.42 μs
D.	24 μs

Answer: Option B

Explanation:

No answer description available for this question.

15.

A capacitor of 2,000 pF is greater than

A.	0.02 μF
B.	0.002 μF
C.	0.0002 μF
D.	0.0000002 F

Answer: Option C

Explanation:

No answer description available for this question.

16.

Which of the following capacitors is polarized?

A.	mica
B.	ceramic
C.	plastic-film
D.	electrolytic

Answer: Option D

Explanation:

No answer description available for this question.

Capacitors - General Questions (2)

Capacitors - General Questions

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