Question 1

A pulse -waveform to DC convertor makes use of an integrator:

Accepted Answer

A) with a time constant shorter than the width of the input pulse. 
B) with a time constant much wider than the width of the input pulse. 
C) with an extremely large time constant. 
D) either B or C 
A) with a time constant shorter than the width of the input pulse. 
B) with a time constant much wider than the width of the input pulse. 
C) with an extremely large time constant. 
D) either B or C

Question 2

RC integrators can be used in timing circuits to set a specified time delay if the output is coupled to:

Accepted Answer

A) a power threshold sensitive circuit. 
B) a voltage generating circuit. 
C) a current sensitive circuit. 
D) a voltage threshold sensitive circuit. 
A) a power threshold sensitive circuit. 
B) a voltage generating circuit. 
C) a current sensitive circuit. 
D) a voltage threshold sensitive circuit.

Question 3

How long will it take a 0.047 µF capacitor to completely discharge through a 10 kΩ resistor?

Accepted Answer

A) 0.18 ms 
B) 0.47 ms 
C) 5 s 
D) 2.35 ms 
A) 0.18 ms 
B) 0.47 ms 
C) 5 s 
D) 2.35 ms

Question 4

What is one time constant in an integrating circuit if a 10 kΩ resistor is in series with a 470 µF capacitor?

Accepted Answer

A) 0.047 µs 
B) 4.7 s 
C) 0.47 ms 
D) 0.47 µs 
A) 0.047 µs 
B) 4.7 s 
C) 0.47 ms 
D) 0.47 µs

Question 5

An RC integrating circuit is a basic high -pass filter with a pulse applied to it.

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

A given circuit using an RC integrator to turn on after 20 seconds now takes has been taking much longer to turn on. Now it entirely fails to turn on. What is the problem?

Accepted Answer

A) The resistor has opened. 
B) The resistor has decreased in value. 
C) The capacitor has increased in value. 
D) The capacitor has decreased in value. 
A) The resistor has opened. 
B) The resistor has decreased in value. 
C) The capacitor has increased in value. 
D) The capacitor has decreased in value.

Question 8

The output of a differentiator circuit will reach the same maximum and minimum levels as the input as long as the time constant of the circuit is less than the width of the input pulse.

Accepted Answer

A) True 
 B)False

Question 9

LC and RC integrators, with respect to input and output, perform exactly the same.

Accepted Answer

A) True 
 B)False

Question 10

If an RC integrator uses a 47µF capacitor, a 12 kΩ resistor and a square wave input with a frequency of 200 kHz, its approximate output is .

Accepted Answer

A) a square wave with a frequency of 200 kHz 
B) a square wave with a frequency of 100 kHz 
C) a near dc voltage of about half the peak square wave voltage 
D) 0 V 
A) a square wave with a frequency of 200 kHz 
B) a square wave with a frequency of 100 kHz 
C) a near dc voltage of about half the peak square wave voltage 
D) 0 V

Question 11

If you want to monitor the frequency response of an RF circuit in real time, the circucit is driven by a swept -frequency generator and the output is monitored using a scope. The scope must _.

Accepted Answer

A) be in x -y mode. 
B) have at least 10 times the bandswidth of the highest test frequency 
C) change its time base to match the generator 
D) all of the above 
A) be in x -y mode. 
B) have at least 10 times the bandswidth of the highest test frequency 
C) change its time base to match the generator 
D) all of the above

Question 12

RC and RL integrators produce an output voltage that equals the:

Accepted Answer

A) mathematical average. 
B) mathematical sum. 
C) mathematical product. 
D) mathematical difference. 
A) mathematical average. 
B) mathematical sum. 
C) mathematical product. 
D) mathematical difference.

Question 13

If the input pulse to an RC differentiator is very short compared to the circuit's time constant, then the differentiator's output is .

Accepted Answer

A) a square wave very similar to the input voltage 
B) a dc voltage equal to the peak input voltage 
C) zero volts 
D) a dc value of about half the peak input voltage 
A) a square wave very similar to the input voltage 
B) a dc voltage equal to the peak input voltage 
C) zero volts 
D) a dc value of about half the peak input voltage

Question 14

What is VC at the end of the input pulse to an RC integrator if the resistance is 5 kΩ, the capacitance is 0.47 µF and the input is a 15 V, 4.7 ms pulse?

Accepted Answer

A) 14.7 V 
B) 14.3 V 
C) 9.48 V 
D) 13.0 V 
A) 14.7 V 
B) 14.3 V 
C) 9.48 V 
D) 13.0 V

Question 15

An RL integrator is a basic RL low -pass filter with a pulse applied to it.

Accepted Answer

A) True 
 B)False

Question 16

It takes a capacitor 5 time constants to nearly reach full charge.

Accepted Answer

A) True 
 B)False

Question 17

Since voltage is constant during the peak of a pulse input, the output of an LC integrator is constant during this time as well.

Accepted Answer

A) True 
 B)False

Question 18

To completely charge a 500 µF capacitor in 15 seconds, use a resistor.

Accepted Answer

A) 18 kΩ 
B) 24 kΩ 
C) 6 kΩ 
D) 12 kΩ 
A) 18 kΩ 
B) 24 kΩ 
C) 6 kΩ 
D) 12 kΩ

Question 19

To charge a 100 µF capacitor in 15 seconds, use a resistor.

Accepted Answer

A) 35 kΩ 
B) 15 kΩ 
C) 30 kΩ 
D) 25 kΩ 
A) 35 kΩ 
B) 15 kΩ 
C) 30 kΩ 
D) 25 kΩ

Question 20

What is the output voltage at the end of the input pulse from an RL integrator that uses a 200 mH inductor, a 22 kΩ resistor and a 12 V, 9.09 µs input pulse?

Accepted Answer

A) 11.4 V 
B) 10.38 V 
C) 7.59 V 
D) 11.76 V 
A) 11.4 V 
B) 10.38 V 
C) 7.59 V 
D) 11.76 V

A pulse -waveform to DC convertor makes use of an integrator:

RC integrators can be used in timing circuits to set a specified time delay if the output is coupled to:

How long will it take a 0.047 µF capacitor to completely discharge through a 10 kΩ resistor?

What is one time constant in an integrating circuit if a 10 kΩ resistor is in series with a 470 µF capacitor?

An RC integrating circuit is a basic high -pass filter with a pulse applied to it.

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

A given circuit using an RC integrator to turn on after 20 seconds now takes has been taking much longer to turn on. Now it entirely fails to turn on. What is the problem?

The output of a differentiator circuit will reach the same maximum and minimum levels as the input as long as the time constant of the circuit is less than the width of the input pulse.

LC and RC integrators, with respect to input and output, perform exactly the same.

If an RC integrator uses a 47µF capacitor, a 12 kΩ resistor and a square wave input with a frequency of 200 kHz, its approximate output is .

If you want to monitor the frequency response of an RF circuit in real time, the circucit is driven by a swept -frequency generator and the output is monitored using a scope. The scope must _.

RC and RL integrators produce an output voltage that equals the:

If the input pulse to an RC differentiator is very short compared to the circuit's time constant, then the differentiator's output is .

What is VC at the end of the input pulse to an RC integrator if the resistance is 5 kΩ, the capacitance is 0.47 µF and the input is a 15 V, 4.7 ms pulse?

An RL integrator is a basic RL low -pass filter with a pulse applied to it.

It takes a capacitor 5 time constants to nearly reach full charge.

Since voltage is constant during the peak of a pulse input, the output of an LC integrator is constant during this time as well.

To completely charge a 500 µF capacitor in 15 seconds, use a resistor.

To charge a 100 µF capacitor in 15 seconds, use a resistor.

What is the output voltage at the end of the input pulse from an RL integrator that uses a 200 mH inductor, a 22 kΩ resistor and a 12 V, 9.09 µs input pulse?

Systems, Quantities, and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rccircuits

Inductors

Rlcircuits

Rlccircuits and Resonance

Transformers

Filters

Exam 15: Time Response of Reactive Circuits

A pulse -waveform to DC convertor makes use of an integrator:

RC integrators can be used in timing circuits to set a specified time delay if the output is coupled to:

How long will it take a 0.047 µF capacitor to completely discharge through a 10 kΩ resistor?

What is one time constant in an integrating circuit if a 10 kΩ resistor is in series with a 470 µF capacitor?

An RC integrating circuit is a basic high -pass filter with a pulse applied to it.

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

A given circuit using an RC integrator to turn on after 20 seconds now takes has been taking much longer to turn on. Now it entirely fails to turn on. What is the problem?

The output of a differentiator circuit will reach the same maximum and minimum levels as the input as long as the time constant of the circuit is less than the width of the input pulse.

LC and RC integrators, with respect to input and output, perform exactly the same.

If an RC integrator uses a 47µF capacitor, a 12 kΩ resistor and a square wave input with a frequency of 200 kHz, its approximate output is .

If you want to monitor the frequency response of an RF circuit in real time, the circucit is driven by a swept -frequency generator and the output is monitored using a scope. The scope must _.

RC and RL integrators produce an output voltage that equals the:

If the input pulse to an RC differentiator is very short compared to the circuit's time constant, then the differentiator's output is .

What is VC at the end of the input pulse to an RC integrator if the resistance is 5 kΩ, the capacitance is 0.47 µF and the input is a 15 V, 4.7 ms pulse?

An RL integrator is a basic RL low -pass filter with a pulse applied to it.

It takes a capacitor 5 time constants to nearly reach full charge.

Since voltage is constant during the peak of a pulse input, the output of an LC integrator is constant during this time as well.

To completely charge a 500 µF capacitor in 15 seconds, use a resistor.

To charge a 100 µF capacitor in 15 seconds, use a resistor.

What is the output voltage at the end of the input pulse from an RL integrator that uses a 200 mH inductor, a 22 kΩ resistor and a 12 V, 9.09 µs input pulse?

Systems, Quantities, and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rccircuits

Inductors

Rlcircuits

Rlccircuits and Resonance

Transformers

Filters