Capacitors - General Questions (6)

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Capacitors - General Questions

41.

In a purely capacitive circuit,

A.	current leads voltage by 90Â°
B.	voltage leads current by 90Â°
C.	current lags voltage by 90Â°
D.	current and voltage have a phase relationship of 0Â°

Answer: Option A

Explanation:

No answer description available for this question.

42.

What is the reactance value for a capacitor installed in a dc circuit?

A.	zero
B.	moderate
C.	infinite
D.	cannot tell

Answer: Option C

Explanation:

No answer description available for this question

43.

What is the impedance of a series RC circuit that consists of a 0.22 mu (1) F capacitor and a 200-ohm resistor connected to a 3 kHz source?

A.	214 ohms
B.	313 ohms
C.	414 ohms
D.	880 ohms

Answer: Option B

Explanation:

No answer description available for this question

44.

If C₁, a 4.7 mu (1) F capacitor, and C₂, a 3.3 mu (1) F capacitor are in series with 18 V_dc applied, what is the voltage across C₁?

A.	3.3 V
B.	7.4 V
C.	6.6 V
D.	9.4 V

Answer: Option B

Explanation:

No answer description available for this question.

45.

Most older types of paper capacitors have been replaced by which type of construction?

A.	electrolytic
B.	plastic film
C.	oxide casing
D.	waxed paper

Answer: Option B

Explanation:

No answer description available for this question

46.

Which of the following determines the capacitance of a capacitor?

A.	Plate area, dielectric strength, and plate separation
B.	Voltage rating, dielectric constant, and temperature coefficient
C.	Temperature coefficient, plate area, and plate separation
D.	Plate area, dielectric constant, and plate separation

Answer: Option D

Explanation:

No answer description available for this question

47.

A capacitor is constructed of two parallel:

A.	conductors
B.	semiconductors
C.	inductors
D.	dielectrics

Answer: Option A

Explanation:

No answer description available for this question.

48.

What circuit has the following frequency response?

mcq7_1041_1

A.	bandpass filter
B.	high-pass filter
C.	low-pass filter
D.	integrator

Answer: Option C

Explanation:

No answer description available for this question

Capacitors - General Questions (6)

Capacitors - General Questions

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