Capacitors - General Questions (5)

Directions to Solve

Capacitors - General Questions

33.

What is the dc charging/discharging time constant for the circuit?

mcq7_1010_1

A.	294 ps
B.	13.5 ms
C.	21.25 ms
D.	2.16 Gs

Answer: Option C

Explanation:

No answer description available for this question

34.

What is the voltage across a capacitor after being charged from a 100 V source for a period of one time constant?

A.	37.8 V
B.	38 V
C.	63 V
D.	101 V

Answer: Option C

Explanation:

No answer description available for this question.

35.

What is the dielectric constant for ceramic?

A.	between 6 and 8000
B.	5.0
C.	between 5 and 1000
D.	3000

Answer: Option A

Explanation:

No answer description available for this question.

36.

If the dielectric constant of a capacitor is decreased, then its capacitance will:

A.	increase
B.	decrease
C.	remain the same
D.	be destroyed

Answer: Option B

Explanation:

No answer description available for this question.

37.

What is the value of a capacitor labeled 102?

A.	10,000 pF
B.	1000 pF
C.	1000 F
D.	10,000 F

Answer: Option B

Explanation:

No answer description available for this question.

38.

What is wrong with a leaky capacitor?

A.	It is open.
B.	It is shorted.
C.	The dielectric resistance has increased.
D.	The dielectric resistance has decreased.

Answer: Option D

Explanation:

No answer description available for this question.

39.

What is the capacitive reactance if I = 1 amp, V = 2 volts, C = 5 F, and frequency = 10 Hz?

A.	0.2
B.	0.5
C.	0.02
D.	0.003

Answer: Option D

Explanation:

No answer description available for this question.

40.

mcq9_1005_1

How long would it take the capacitor in the given circuit to completely discharge if the switch was in position 2?

A.	22 ms
B.	69 ms
C.	345 ms
D.	420 ms

Answer: Option D

Explanation:

No answer description available for this question

Capacitors - General Questions (5)

Capacitors - General Questions

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