In an differentiator, when the input pulse goes from its low level to its high level,

voltage across the inductor instantly reaches 63% of input voltage

the inductor prevents a sudden change in voltage

the inductor prevents a sudden change in current

voltage across the inductor instantly reaches 63% of input voltage

voltage across the inductor is zero

In an differentiator, responding to repetitive pulses, the average value of the output

is 63 percent of the input voltage

If the time constant of an integrator is increased, as the time constant is increased

the capacitor charges more during a pulse and discharges less between pulses

the capacitor charges less during a pulse and discharges more between pulses

the capacitor charges more during a pulse and discharges more between pulses

the capacitor charges less during a pulse and discharges less between pulses

In an differentiator, the sum of the capacitor voltage and the resistor voltage at any instant

is less than the applied voltage but greater than zero

must be equal to the applied voltage

is less than the applied voltage but greater than zero

With an integrator, at the instant of the rising pulse edge,

63 percent of the input voltage is across the resistor

all the input voltage is across the resistor

all the input voltage is across the inductor

63 percent of the input voltage is across the resistor

63 percent of the input voltage is across the inductor

In an differentiator, the capacitor

charges exponentially at a rate depending on the

charges exponentially at a rate depending on the input voltage

charges when the input voltage is decreasing

charges to approximately one time constant

If the RC time constant of an integrator is increased, as the time constant is increased.

he capacitor charges more during a pulse and discharges less between pulses

he capacitor charges less during a pulse and discharges more between pulses

he capacitor charges more during a pulse and discharges more between pulses

he capacitor charges less during a pulse and discharges less between pulses

Referring this figure, on the falling edge.

he capacitor voltage remains constant

he resistor voltage drops to -5 V and then goes back to zero exponentially

he resistor voltage jumps to -5 V and then goes back to zero exponentially

he capacitor voltage remains constant

he resistor voltage jumps to +5 V and then decreases exponentially to zero

In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant.

s less than the applied voltage but greater than zero

ust be equal to the applied voltage

s less than the applied voltage but greater than zero

In an RC differentiator, responding to repetitive pulses, the average value of the output.

s 63 percent of the input voltage

If the capacitor in an integrator becomes leaky.

he time constant will be effectively reduced

he wave-shape of the output voltage across C is altered

he amplitude of the output is reduced

Referring to the give circuit, the output will.

each 6 V at the end of the pulse

ecay to zero at the end of the pulse

each 6 V at the end of the pulse

each 3.78 V at the end of the pulse

each 5.16 V at the end of the pulse

In electronic systems, repetitive-pulse waveforms are encountered

about as often as single pulses

twice as often as single pulses

In an RC differentiator, the capacitor

charges exponentially at a rate depending on the input voltage

charges exponentially at a rate depending on the RC time constant

charges exponentially at a rate depending on the input voltage

charges when the input voltage is decreasing

charges to approximately one time constant

If the RC time constant of an integrator is increased, as the time constant is increased

the capacitor charges more during a pulse and discharges less between pulses

the capacitor charges less during a pulse and discharges more between pulses

the capacitor charges more during a pulse and discharges more between pulses

the capacitor charges less during a pulse and discharges less between pulses

62 + Mcqs in Time Response Of Reactive Circuits in Electrical Engineering Page 1 McqOptions

1.	In an integrating circuit, the output voltage is taken across the capacitor.
A.	True
B.	False
Answer» B. False

Discussion

2.	In an differentiating circuit, the output voltage is taken across the resistor.
A.	True
B.	False
Answer» B. False

Discussion

3.	An differentiator acts as a
A.	low-pass filter
B.	high-pass filter
C.	band-pass filter
D.	band-stop filter
Answer» C. band-pass filter

Discussion

4.	In an differentiator, when the input pulse goes from its low level to its high level,
A.	the inductor prevents a sudden change in voltage
B.	the inductor prevents a sudden change in current
C.	voltage across the inductor instantly reaches 63% of input voltage
D.	voltage across the inductor is zero
Answer» C. voltage across the inductor instantly reaches 63% of input voltage

Discussion

5.	When a 15 V input pulse with a width equal to two time constants is applied to an integrator, the capacitor charges to
A.	15 V
B.	12.9 V
C.	8.6 V
D.	19.45 V
Answer» C. 8.6 V

Discussion

6.	A single 6 V pulse with a width of 600 s is applied to an integrator consisting of a 150 k resistor and a 0.002 F capacitor. To what voltage will the capacitor charge?
A.	0 V
B.	3.78 V
C.	5.16 V
D.	6 V
Answer» D. 6 V

Discussion

7.	In an differentiator, responding to repetitive pulses, the average value of the output
A.	is zero
B.	is equal to the input voltage
C.	is 63 percent of the input voltage
D.	cannot be determined
Answer» B. is equal to the input voltage

Discussion

8.	The output of an integrator is taken across the
A.	diode
B.	capacitor
C.	resistor
D.	source
Answer» C. resistor

Discussion

9.	When a 24 V input pulse with a width equal to five time constants is applied to an integrator, the capacitor charges to
A.	24 V
B.	15.12 V
C.	20.64 V
D.	12 V
Answer» B. 15.12 V

Discussion

10.	If the time constant of an integrator is increased, as the time constant is increased
A.	the capacitor charges more during a pulse and discharges less between pulses
B.	the capacitor charges less during a pulse and discharges more between pulses
C.	the capacitor charges more during a pulse and discharges more between pulses
D.	the capacitor charges less during a pulse and discharges less between pulses
Answer» E.

Discussion

11.	In an differentiator, the sum of the capacitor voltage and the resistor voltage at any instant
A.	must be zero
B.	must be equal to the applied voltage
C.	is less than the applied voltage but greater than zero
D.	cannot be determined
Answer» C. is less than the applied voltage but greater than zero

Discussion

12.	In an integrating circuit, the output voltage is taken across the inductor.
A.	True
B.	False
Answer» C.

Discussion

13.	What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 s)?
A.	35 kHz
B.	3.5 kHz
C.	10 kHz
D.	100 kHz
Answer» B. 3.5 kHz

Discussion

14.	An integrator consists of a 3.3 k resistor and a 2 F capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?
A.	10.3 V
B.	30 V
C.	12.09 V
D.	17.91 V
Answer» E.

Discussion

15.	With an integrator, at the instant of the rising pulse edge,
A.	all the input voltage is across the resistor
B.	all the input voltage is across the inductor
C.	63 percent of the input voltage is across the resistor
D.	63 percent of the input voltage is across the inductor
Answer» C. 63 percent of the input voltage is across the resistor

Discussion

16.	When a 12 V input pulse with a width equal to one time constant is applied to an integrator, the capacitor charges to
A.	0 V
B.	12 V
C.	6.3 V
D.	7.56 V
Answer» E.

Discussion

17.	Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 .
A.	2.73 V
B.	27.33 V
C.	30 V
D.	2.67 V
Answer» C. 30 V

Discussion

18.	In an differentiator, the capacitor
A.	charges exponentially at a rate depending on the
B.	time constant
C.	charges exponentially at a rate depending on the input voltage
D.	charges when the input voltage is decreasing
E.	charges to approximately one time constant
Answer» B. time constant

Discussion

19.	If the RC time constant of an integrator is increased, as the time constant is increased.
A.	he capacitor charges more during a pulse and discharges less between pulses
B.	he capacitor charges less during a pulse and discharges more between pulses
C.	he capacitor charges more during a pulse and discharges more between pulses
D.	he capacitor charges less during a pulse and discharges less between pulses
Answer» E.

Discussion

20.	If the capacitor in an integrator opens, the output has the same voltage as the input.
A.	rue
B.	alse
Answer» B. alse

Discussion

21.	Referring this figure, on the falling edge.
A.	he resistor voltage drops to -5 V and then goes back to zero exponentially
B.	he resistor voltage jumps to -5 V and then goes back to zero exponentially
C.	he capacitor voltage remains constant
D.	he resistor voltage jumps to +5 V and then decreases exponentially to zero
Answer» C. he capacitor voltage remains constant

Discussion

22.	In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant.
A.	ust be zero
B.	ust be equal to the applied voltage
C.	s less than the applied voltage but greater than zero
D.	annot be determined
Answer» C. s less than the applied voltage but greater than zero

Discussion

23.	An integrator consists of a 3.3 kΩ resistor and a 2 μF capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?
A.	0.3 V
B.	0 V
C.	2.09 V
D.	7.91 V
Answer» E.

Discussion

24.	A single 6 V pulse with a width of 600 μs is applied to an integrator consisting of a 150 kΩ resistor and a 0.002 μF capacitor. To what voltage will the capacitor charge?
A.	V
B.	.78 V
C.	.16 V
D.	V
Answer» D. V

Discussion

25.	The rising and falling edges of a pulse waveform contain the higher frequency component.
A.	rue
B.	alse
Answer» B. alse

Discussion

26.	In an RC integrating circuit, the output voltage is taken across the capacitor.
A.	rue
B.	alse
Answer» B. alse

Discussion

27.	Referring to the bellow figure, determine the voltage level that the output will reach during the pulse.
A.	V
B.	5 V
C.	.3 V
D.	.45 V
Answer» E.

Discussion

28.	When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to.
A.	V
B.	2 V
C.	.3 V
D.	.56 V
Answer» E.

Discussion

29.	In an RC differentiating circuit, the output voltage is taken across the resistor.
A.	rue
B.	alse
Answer» B. alse

Discussion

30.	In an RL integrating circuit, the output voltage is taken across the inductor.
A.	rue
B.	alse
Answer» C.

Discussion

31.	In an RC differentiator, responding to repetitive pulses, the average value of the output.
A.	s zero
B.	s equal to the input voltage
C.	s 63 percent of the input voltage
D.	annot be determined
Answer» B. s equal to the input voltage

Discussion

32.	In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.
A.	rue
B.	alse
Answer» B. alse

Discussion

33.	In an integrator, when the pulse width of the input is much less than the transient time, the output voltage approaches the shape of the input.
A.	rue
B.	alse
Answer» C.

Discussion

34.	Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 Ω.
A.	.73 V
B.	7.33 V
C.	0 V
D.	.67 V
Answer» C. 0 V

Discussion

35.	If the capacitor in an integrator becomes leaky.
A.	he time constant will be effectively reduced
B.	he wave-shape of the output voltage across C is altered
C.	he amplitude of the output is reduced
D.	ll of the above
Answer» E.

Discussion

36.	In electronic systems, repetitive-pulse waveforms are encountered.
A.	ore often than single pulses
B.	ess often than single pulses
C.	bout as often as single pulses
D.	wice as often as single pulses
Answer» B. ess often than single pulses

Discussion

37.	Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 Ω?
A.	00 μs
B.	00 μs
C.	00 μs
D.	.5 ms
Answer» E.

Discussion

38.	Referring to the give circuit, the output will.
A.	ecay to zero at the end of the pulse
B.	each 6 V at the end of the pulse
C.	each 3.78 V at the end of the pulse
D.	each 5.16 V at the end of the pulse
Answer» B. each 6 V at the end of the pulse

Discussion

39.	What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 μs)?
A.	5 kHz
B.	.5 kHz
C.	0 kHz
D.	00 kHz
Answer» B. .5 kHz

Discussion

40.	In an RL differentiating circuit, the output voltage is taken across the resistor.
A.	1
B.
C.	1
D.
Answer» C. 1

Discussion

41.	The output of an RC integrator is taken across the
A.	diode
B.	capacitor
C.	resistor
D.	source
Answer» C. resistor

Discussion

42.	A dc component is the peak value of a pulse waveform.
A.	1
B.
Answer» C.

Discussion

43.	Referring to the above figure, determine the voltage level that the output will reach during the pulse.
A.	0 V
B.	15 V
C.	6.3 V
D.	9.45 V
Answer» E.

Discussion

44.	In electronic systems, repetitive-pulse waveforms are encountered
A.	more often than single pulses
B.	less often than single pulses
C.	about as often as single pulses
D.	twice as often as single pulses
Answer» B. less often than single pulses

Discussion

45.	What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 s)?
A.	35 kHz
B.	3.5 kHz
C.	10 kHz
D.	100 kHz
Answer» B. 3.5 kHz

Discussion

46.	In an RC differentiator, the capacitor
A.	charges exponentially at a rate depending on the RC time constant
B.	charges exponentially at a rate depending on the input voltage
C.	charges when the input voltage is decreasing
D.	charges to approximately one time constant
Answer» B. charges exponentially at a rate depending on the input voltage

Discussion

47.	Referring to Problem 7, how much will the capacitor charge if the pulse width is increased to 12 ms?
A.	2.51 V
B.	25.14 V
C.	4.86 V
D.	12.76 V
Answer» C. 4.86 V

Discussion

48.	An RC differentiator acts as a
A.	low-pass filter
B.	high-pass filter
C.	band-pass filter
D.	band-stop filter
Answer» C. band-pass filter

Discussion

49.	If the RC time constant of an integrator is increased, as the time constant is increased
A.	the capacitor charges more during a pulse and discharges less between pulses
B.	the capacitor charges less during a pulse and discharges more between pulses
C.	the capacitor charges more during a pulse and discharges more between pulses
D.	the capacitor charges less during a pulse and discharges less between pulses
Answer» E.

Discussion

50.	The output of an RC integrator is taken across the
A.	diode
B.	capacitor
C.	resistor
D.	source
Answer» C. resistor

Discussion

Explore topic-wise MCQs in Electrical Engineering.

In an integrating circuit, the output voltage is taken across the capacitor.

In an differentiating circuit, the output voltage is taken across the resistor.

An differentiator acts as a

In an differentiator, when the input pulse goes from its low level to its high level,

When a 15 V input pulse with a width equal to two time constants is applied to an integrator, the capacitor charges to

A single 6 V pulse with a width of 600 s is applied to an integrator consisting of a 150 k resistor and a 0.002 F capacitor. To what voltage will the capacitor charge?

In an differentiator, responding to repetitive pulses, the average value of the output

The output of an integrator is taken across the

When a 24 V input pulse with a width equal to five time constants is applied to an integrator, the capacitor charges to

If the time constant of an integrator is increased, as the time constant is increased

In an differentiator, the sum of the capacitor voltage and the resistor voltage at any instant

In an integrating circuit, the output voltage is taken across the inductor.

What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 s)?

An integrator consists of a 3.3 k resistor and a 2 F capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?

With an integrator, at the instant of the rising pulse edge,

When a 12 V input pulse with a width equal to one time constant is applied to an integrator, the capacitor charges to

Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 .

In an differentiator, the capacitor

If the RC time constant of an integrator is increased, as the time constant is increased.

If the capacitor in an integrator opens, the output has the same voltage as the input.

Referring this figure, on the falling edge.

In an RC differentiator, the sum of the capacitor voltage and the resistor voltage at any instant.

An integrator consists of a 3.3 kΩ resistor and a 2 μF capacitor. A single 30 V, 6 ms pulse is applied to the input. How much will the capacitor charge?

A single 6 V pulse with a width of 600 μs is applied to an integrator consisting of a 150 kΩ resistor and a 0.002 μF capacitor. To what voltage will the capacitor charge?

The rising and falling edges of a pulse waveform contain the higher frequency component.

In an RC integrating circuit, the output voltage is taken across the capacitor.

Referring to the bellow figure, determine the voltage level that the output will reach during the pulse.

When a 12 V input pulse with a width equal to one time constant is applied to an RC integrator, the capacitor charges to.

In an RC differentiating circuit, the output voltage is taken across the resistor.

In an RL integrating circuit, the output voltage is taken across the inductor.

In an RC differentiator, responding to repetitive pulses, the average value of the output.

In an electric circuit, the reaction of a circuit to a given pulse input is known as the pulse response.

In an integrator, when the pulse width of the input is much less than the transient time, the output voltage approaches the shape of the input.

Referring this circuit, determine the maximum output voltage when a single pulse is applied as shown. The total resistance is 60 Ω.

If the capacitor in an integrator becomes leaky.

In electronic systems, repetitive-pulse waveforms are encountered.

Referring to Problem 5, how long will it take the capacitor to discharge if the internal resistance of the pulse source is 100 Ω?

Referring to the give circuit, the output will.

What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 μs)?

In an RL differentiating circuit, the output voltage is taken across the resistor.

The output of an RC integrator is taken across the

A dc component is the peak value of a pulse waveform.

Referring to the above figure, determine the voltage level that the output will reach during the pulse.

In electronic systems, repetitive-pulse waveforms are encountered

What is the highest frequency contained in a pulse that has a rise and fall time equal to 10 microseconds (10 s)?

In an RC differentiator, the capacitor

Referring to Problem 7, how much will the capacitor charge if the pulse width is increased to 12 ms?

An RC differentiator acts as a

If the RC time constant of an integrator is increased, as the time constant is increased

The output of an RC integrator is taken across the