Question 1

A voltage-follower op-amp has a voltage gain greater than one.

Accepted Answer

A) True 
 B)False

Question 2

One advantage of the Darlington pair is ________.

Accepted Answer

A) increased overall beta 
B) less cost 
C) increased overallVoltage gain 
D) decreasing the input impedance 
A) increased overall beta 
B) less cost 
C) increased overallVoltage gain 
D) decreasing the input impedance

Question 3

Diode clampers cut off voltage above or below specified levels.

Accepted Answer

A) True 
 B)False

Question 4

Figure $18 < 1$
-If $R _ { f } = 100 \mathrm { k } \Omega$   and  AV=(-833)  in Figure 18-1(c),  Ri equals_______

Accepted Answer

A)   10$\mathrm { k } \Omega$ 
B)  100 $\mathrm { k } \Omega$ 
C)  120 $\Omega$ 
D)   1 $\mathrm { k } \Omega$ 
A)   10$\mathrm { k } \Omega$ 
B)  100 $\mathrm { k } \Omega$ 
C)  120 $\Omega$ 
D)   1 $\mathrm { k } \Omega$

Question 5

In using BJT characteristic curves, the intersection of the load line with a specific base current curve is called:

Accepted Answer

A)  base point. 
B)  nudpoint. 
C)    point. 
D)  intersection point. 
A)  base point. 
B)  nudpoint. 
C)    point. 
D)  intersection point.

Question 6

\[\text { Figure } \mathbf { 1 9 } IN=4.2 V  in Figure 19-1,  VOUT  equals__________

Accepted Answer

A)   -0.8 V 
B)   0.8 V 
C)   13 V 
D)   -13 V 
A)   -0.8 V 
B)   0.8 V 
C)   13 V 
D)   -13 V

Question 7

\[\text { Figure } \mathbf { 1 9 } IN=-2 V  in Figure 19-1,  VOUT  equals______

Accepted Answer

A)   13 V 
B)   -3 V 
C)   3 V 
D)   -13 V 
A)   13 V 
B)   -3 V 
C)   3 V 
D)   -13 V

Question 8

The ripple voltage from a power supply is ________.

Accepted Answer

A) dependent upon the load 
B) zero 
C) very high 
D) about 1V 
A) dependent upon the load 
B) zero 
C) very high 
D) about 1V

Question 9

The distinguishing characteristic of the voltage follower configuration is:

Accepted Answer

A) very high input impedance. 
B) voltage gain of unity. 
C) non-inverting output. 
D) all of the above 
A) very high input impedance. 
B) voltage gain of unity. 
C) non-inverting output. 
D) all of the above

Question 10

If $\mathrm { R } _ { \mathrm { i } } = 1 \mathrm { k } \Omega , \mathrm { R } _ { f } = 100 \mathrm { k } \Omega$ and VOUT  =5 V in a noninverting op-amp, ACL equals_____

Accepted Answer

A)   0.0099 
B)  99 
C)  101 
D)  1 
A)   0.0099 
B)  99 
C)  101 
D)  1

Question 11

To use an op-amp as a buffer, use the ________.

Accepted Answer

A) voltage follower amplifier 
B) differential amplifier 
C) non-inverting amplifier 
D) inverting amplifier 
A) voltage follower amplifier 
B) differential amplifier 
C) non-inverting amplifier 
D) inverting amplifier

Question 12

If a 60 Hz sineW ave is input to a full- Wave rectifier, its output frequency is ________.

Accepted Answer

A) 120 Hz 
B) 0 Hz 
C) 30 Hz 
D) 60 Hz 
A) 120 Hz 
B) 0 Hz 
C) 30 Hz 
D) 60 Hz

Question 13

$$\text { Figure } 19 < 3$$
-In Figure 19-3,W hatW ill change the circuit into a high-pass filter?

Accepted Answer

A) increasing theV
Alue of the resistor 
B) switching the positions of the resistor and capacitor 
C) decreasing theV
Alue of the capacitor 
D) placing the capacitor in the feedback loop 
A) increasing theV
Alue of the resistor 
B) switching the positions of the resistor and capacitor 
C) decreasing theV
Alue of the capacitor 
D) placing the capacitor in the feedback loop

Question 14

$$\text { Figure } 19 < 4$$
-If 22 V in the pass-band is input to the circuit in Figure 19-4,W hat is the output voltage at a frequency that is 1 decade higher?

Accepted Answer

A) 31.1V 
B) 22V 
C) 7.75V 
D) 15.5V 
A) 31.1V 
B) 22V 
C) 7.75V 
D) 15.5V

Question 15

$$\text { Figure } 17 < 4$$
-Which voltage might allow the circuit in Figure  17-4  to operate with minimum distortion?

Accepted Answer

A)   VCE=0.15 V 
B)   VBE=0.7 V 
C)   VC=18 V 
D)  VBC=0 V 
A)   VCE=0.15 V 
B)   VBE=0.7 V 
C)   VC=18 V 
D)  VBC=0 V

Question 16

\[\text { Figure } 19 CO  equals_______

Accepted Answer

A)   41.4 kHz 
B)   25.7 Hz 
C)   257 Hz 
D)   414 kHz 
A)   41.4 kHz 
B)   25.7 Hz 
C)   257 Hz 
D)   414 kHz

Question 17

$$\text { Figure } 19 < 3$$
-If  R=1.2  $\mathrm { k } \Omega$ and  C=0.005  $\mu \mathrm { F }$ in Figure 19-3, the $\mathrm { fCO }$ equals________

Accepted Answer

A)   65 Hz 
B)   650 Hz 
C)   26.5 kHz 
D)   2.65 kHz 
A)   65 Hz 
B)   650 Hz 
C)   26.5 kHz 
D)   2.65 kHz

Question 18

When a negative gate-to-source voltage is applied to an N-channel MOSFET, it operates ________.

Accepted Answer

A) in the enhancement mode 
B) in the depletion mode 
C) in the saturated state 
D) in the cutoff state 
A) in the enhancement mode 
B) in the depletion mode 
C) in the saturated state 
D) in the cutoff state

Question 19

A full- Wave rectifier uses ________ diode(s)and its output frequency is ________ the input frequency.

Accepted Answer

A) two, equal to 
B) one, equal to 
C) two, twice 
D) one, twice 
A) two, equal to 
B) one, equal to 
C) two, twice 
D) one, twice

Question 20

Current through a diode is blocked by ________.

Accepted Answer

A) thermally produced electron-hole pairs 
B) reverseVoltage across the diode 
C) forwardVoltage across the diode 
D) depletion layer breakdown 
A) thermally produced electron-hole pairs 
B) reverseVoltage across the diode 
C) forwardVoltage across the diode 
D) depletion layer breakdown

A voltage-follower op-amp has a voltage gain greater than one.

One advantage of the Darlington pair is ________.

Diode clampers cut off voltage above or below specified levels.

$Figure 18 < 1 -If R _ { f } = 100 \mathrm { k } \Omega and AV=(-833) in Figure 18-1(c), Ri equals_______$ Figure $18 < 1$ -If $R _ { f } = 100 \mathrm { k } \Omega$ and AV=(-833) in Figure 18-1(c), Ri equals_______

In using BJT characteristic curves, the intersection of the load line with a specific base current curve is called:

$\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } -If V<sub>IN</sub>=4.2 V in Figure 19-1, V<sub>OUT</sub> equals__________$ $\text { Figure } \mathbf { 1 9 } < \mathbf { 1 }$ -If V_IN=4.2 V in Figure 19-1, V_OUT equals__________

$\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } -If V<sub>IN</sub>=-2 V in Figure 19-1, V<sub>OUT</sub> equals______$ $\text { Figure } \mathbf { 1 9 } < \mathbf { 1 }$ -If V_IN=-2 V in Figure 19-1, V_OUT equals______

The ripple voltage from a power supply is ________.

The distinguishing characteristic of the voltage follower configuration is:

If $\mathrm { R } _ { \mathrm { i } } = 1 \mathrm { k } \Omega , \mathrm { R } _ { f } = 100 \mathrm { k } \Omega$ and V_OUT =5 V in a noninverting op-amp, ACL equals_____

To use an op-amp as a buffer, use the ________.

If a 60 Hz sineW ave is input to a full- Wave rectifier, its output frequency is ________.

$\text { Figure } 19 < 3 -In Figure 19-3,W hatW ill change the circuit into a high-pass filter?$ $\text { Figure } 19 < 3$ -In Figure 19-3,W hatW ill change the circuit into a high-pass filter?

$\text { Figure } 17 < 4 -Which voltage might allow the circuit in Figure 17-4 to operate with minimum distortion?$ $\text { Figure } 17 < 4$ -Which voltage might allow the circuit in Figure 17-4 to operate with minimum distortion?

$\text { Figure } 19 < 3 -If R=1.5 \mathrm { k } \Omega and C=256 pF in Figure 19-3 , the f<sub>CO</sub> equals_______$ $\text { Figure } 19 < 3$ -If R=1.5 $\mathrm { k } \Omega$ and C=256 pF in Figure 19-3 , the f_CO equals_______

$\text { Figure } 19 < 3 -If R=1.2 \mathrm { k } \Omega and C=0.005 \mu \mathrm { F } in Figure 19-3, the \mathrm { fCO } equals$ $\text { Figure } 19 < 3$ -If R=1.2 $\mathrm { k } \Omega$ and C=0.005 $\mu \mathrm { F }$ in Figure 19-3, the $\mathrm { fCO }$ equals

When a negative gate-to-source voltage is applied to an N-channel MOSFET, it operates ________.

A full- Wave rectifier uses diode(s)and its output frequency is the input frequency.

Current through a diode is blocked by ________.

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

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

Exam 16: Regulators, Filters, and Op-Amps

A voltage-follower op-amp has a voltage gain greater than one.

One advantage of the Darlington pair is ________.

Diode clampers cut off voltage above or below specified levels.

Figure 18<118 < 118<1 -If Rf=100kΩR _ { f } = 100 \mathrm { k } \OmegaRf​=100kΩ and AV=(-833) in Figure 18-1(c), Ri equals_______

In using BJT characteristic curves, the intersection of the load line with a specific base current curve is called:

Figure 19<1\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } Figure 19<1 -If VIN=4.2 V in Figure 19-1, VOUT equals__________

Figure 19<1\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } Figure 19<1 -If VIN=-2 V in Figure 19-1, VOUT equals______

The ripple voltage from a power supply is ________.

The distinguishing characteristic of the voltage follower configuration is:

If Ri=1kΩ,Rf=100kΩ\mathrm { R } _ { \mathrm { i } } = 1 \mathrm { k } \Omega , \mathrm { R } _ { f } = 100 \mathrm { k } \OmegaRi​=1kΩ,Rf​=100kΩ and VOUT =5 V in a noninverting op-amp, ACL equals_____

To use an op-amp as a buffer, use the ________.

If a 60 Hz sineW ave is input to a full- Wave rectifier, its output frequency is ________.

Figure 19<3\text { Figure } 19 < 3 Figure 19<3 -In Figure 19-3,W hatW ill change the circuit into a high-pass filter?

Figure 19<4\text { Figure } 19 < 4 Figure 19<4 -If 22 V in the pass-band is input to the circuit in Figure 19-4,W hat is the output voltage at a frequency that is 1 decade higher?

Figure 17<4\text { Figure } 17 < 4 Figure 17<4 -Which voltage might allow the circuit in Figure 17-4 to operate with minimum distortion?

Figure 19<3\text { Figure } 19 < 3 Figure 19<3 -If R=1.5 kΩ\mathrm { k } \OmegakΩ and C=256 pF in Figure 19-3 , the fCO equals_______

Figure 19<3\text { Figure } 19 < 3 Figure 19<3 -If R=1.2 kΩ\mathrm { k } \OmegakΩ and C=0.005 μF\mu \mathrm { F }μF in Figure 19-3, the fCO\mathrm { fCO }fCO equals________

When a negative gate-to-source voltage is applied to an N-channel MOSFET, it operates ________.

A full- Wave rectifier uses ________ diode(s)and its output frequency is ________ the input frequency.

Current through a diode is blocked by ________.

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

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

$Figure 18 < 1 -If R _ { f } = 100 \mathrm { k } \Omega and AV=(-833) in Figure 18-1(c), Ri equals_______$ Figure $18 < 1$ -If $R _ { f } = 100 \mathrm { k } \Omega$ and AV=(-833) in Figure 18-1(c), Ri equals_______

$\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } -If V<sub>IN</sub>=4.2 V in Figure 19-1, V<sub>OUT</sub> equals__________$ $\text { Figure } \mathbf { 1 9 } < \mathbf { 1 }$ -If V_IN=4.2 V in Figure 19-1, V_OUT equals__________

$\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } -If V<sub>IN</sub>=-2 V in Figure 19-1, V<sub>OUT</sub> equals______$ $\text { Figure } \mathbf { 1 9 } < \mathbf { 1 }$ -If V_IN=-2 V in Figure 19-1, V_OUT equals______

If $\mathrm { R } _ { \mathrm { i } } = 1 \mathrm { k } \Omega , \mathrm { R } _ { f } = 100 \mathrm { k } \Omega$ and V_OUT =5 V in a noninverting op-amp, ACL equals_____

$\text { Figure } 19 < 3 -In Figure 19-3,W hatW ill change the circuit into a high-pass filter?$ $\text { Figure } 19 < 3$ -In Figure 19-3,W hatW ill change the circuit into a high-pass filter?

$\text { Figure } 17 < 4 -Which voltage might allow the circuit in Figure 17-4 to operate with minimum distortion?$ $\text { Figure } 17 < 4$ -Which voltage might allow the circuit in Figure 17-4 to operate with minimum distortion?

$\text { Figure } 19 < 3 -If R=1.5 \mathrm { k } \Omega and C=256 pF in Figure 19-3 , the f<sub>CO</sub> equals_______$ $\text { Figure } 19 < 3$ -If R=1.5 $\mathrm { k } \Omega$ and C=256 pF in Figure 19-3 , the f_CO equals_______

$\text { Figure } 19 < 3 -If R=1.2 \mathrm { k } \Omega and C=0.005 \mu \mathrm { F } in Figure 19-3, the \mathrm { fCO } equals$ $\text { Figure } 19 < 3$ -If R=1.2 $\mathrm { k } \Omega$ and C=0.005 $\mu \mathrm { F }$ in Figure 19-3, the $\mathrm { fCO }$ equals

A full- Wave rectifier uses diode(s)and its output frequency is the input frequency.