Capacitors - General Questions (7)

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Capacitors - General Questions

49.

In a capacitive circuit, current flow is limited to

A.	charging periods
B.	discharging periods
C.	neither charging periods nor discharging periods
D.	both charging periods and discharging periods

Answer: Option D

Explanation:

No answer description available for this question.

50.

Which of the following statements is true?

A.	The voltage to which a capacitor is charged can change instantaneously.
B.	The current in a capacitive circuit takes time to change.
C.	A fully charged capacitor appears as a short to dc current.
D.	An uncharged capacitor appears as a short to an instantaneous change in current.

Answer: Option D

Explanation:

No answer description available for this question

51.

What is the total opposition to current in a series RC circuit called?

A.	impedance
B.	inductance
C.	reactance
D.	resistance

Answer: Option A

Explanation:

No answer description available for this question

52.

In an ac circuit, an output capacitor and a resistor are connected in series with an ac signal. What filter action will be the result?

A.	bandpass
B.	low-pass
C.	high-pass
D.	band-stop

Answer: Option B

Explanation:

No answer description available for this question.

53.

mcq9_1003_1

What is the capacitance of the circuit shown in the given circuit?

A.	0.066 F
B.	0.9 F
C.	65.97 pF
D.	900 pF

Answer: Option A

Explanation:

No answer description available for this question

54.

If a current of 40 mA flows through a series circuit consisting of a 0.4 F capacitor and a resistor in series with a 4 kHz, 40 V_ac source, what is the total circuit impedance?

A.	10
B.	100
C.	1 k
D.	1 M

Answer: Option C

Explanation:

No answer description available for this question

55.

After a capacitor has charged for 1 tc, what percentage of current remains in the resistor?

A.	63.2
B.	36.8
C.	13.5
D.	5.0

Answer: Option B

Explanation:

No answer description available for this question.

56.

With a 500 kHz signal source, what would be the value of a capacitor yielding a capacitive reactance of 1 k omega ?

A.	318 pF
B.	2 nF
C.	3.18 F
D.	2 F

Answer: Option A

Explanation:

No answer description available for this question.

Capacitors - General Questions (7)

Capacitors - General Questions

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