Question 1

Figure $19 < 5$
-The frequency response curve in Figure 19-5 represents the output from the ________, and the bandwidth is ________.

Accepted Answer

A) band-pass filter, 1050 Hz 
B) band-pass filter, 678 Hz 
C) band-reject filter, 1050 kHz 
D) two-pole high-pass filter, 1050 Hz 
A) band-pass filter, 1050 Hz 
B) band-pass filter, 678 Hz 
C) band-reject filter, 1050 kHz 
D) two-pole high-pass filter, 1050 Hz

Question 2

Most diodes are made from a semiconductor material called germanium.

Accepted Answer

A) True 
 B)False

Question 3

\(\text { Figure } 17 CE in Figure 17-1.

Accepted Answer

A)   11.4 V 
B)   16.4 V 
C)   7.10 V 
D)   6.4 V 
A)   11.4 V 
B)   16.4 V 
C)   7.10 V 
D)   6.4 V

Question 4

If a full- Wave rectifier outputs 38 VP, its average output equals ________.

Accepted Answer

A) 76.7V 
B) 38V 
C) 19.3V 
D) 24.2V 
A) 76.7V 
B) 38V 
C) 19.3V 
D) 24.2V

Question 5

Op-amp comparators are often used as zero-level detectors.

Accepted Answer

A) True 
 B)False

Question 6

A second-order filter rolls-off at 40 dB/decade.

Accepted Answer

A) True 
 B)False

Question 7

Two types of FETs are the JFET and the MOSFET.

Accepted Answer

A) True 
 B)False

Question 8

A typical value of input bias current for an op-amp is around 80 nA.

Accepted Answer

A) True 
 B)False

Question 9

If a diode shorts in a full- Wave rectifier, ________.

Accepted Answer

A) no change would occur in the output 
B) the output dc Voltage will increase 
C) the output current would increase 
D) the output dc Voltage will decrease and possibly damage the power supply 
A) no change would occur in the output 
B) the output dc Voltage will increase 
C) the output current would increase 
D) the output dc Voltage will decrease and possibly damage the power supply

Question 10

An enhancement-type MOSFET can operateW ith)a positive value of VGS

Accepted Answer

A) True 
 B)False

Question 11

Applying the reverse breakdown voltage to a diode Will ________.

Accepted Answer

A) cause it to act like a capacitor 
B) never do any harm 
C) cause it to act like a switch 
D) usually damage the diode 
A) cause it to act like a capacitor 
B) never do any harm 
C) cause it to act like a switch 
D) usually damage the diode

Question 12

A three-terminal voltage regulator ________.

Accepted Answer

A) comes in a variety of Voltage and current ratings 
B) is available in both positive and negative Voltage ratings 
C) is very durable 
D) all of the above 
A) comes in a variety of Voltage and current ratings 
B) is available in both positive and negative Voltage ratings 
C) is very durable 
D) all of the above

Question 13

An op-ampʹs CMRR is usually expressed in dB.

Accepted Answer

A) True 
 B)False

Question 14

Figure \(18 V=120  in Figure 18-1(  c), Ri  equals___________

Accepted Answer

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

Question 15

\[\text { Figure } 17 1  shorts in Figure 17-4,  VC_____________

Accepted Answer

A)  increases to VCC 
B)  decreases to  VE 
C)  decreases to  0 V 
D)  does not change 
A)  increases to VCC 
B)  decreases to  VE 
C)  decreases to  0 V 
D)  does not change

Question 16

If you measure the voltage across a diode and it measures 0.3 V, the diode is probably made of ________ and is ________ biased.

Accepted Answer

A) germanium, reverse 
B) silicon, forward 
C) germanium, forward 
D) silicon, reverse 
A) germanium, reverse 
B) silicon, forward 
C) germanium, forward 
D) silicon, reverse

Question 17

Figure $18 < 1$
-If $\mathrm { R } _ { \mathrm { j } } = 4.7 \mathrm { k } \Omega$ and $\mathrm { R } _ { f } = 0.18 \mathrm { M } \Omega$ in Figure 18-1(c), the voltage gain equals

Accepted Answer

A)   -38.3 
B)   -1 
C)   -39.3 
D)  infinite 
A)   -38.3 
B)   -1 
C)   -39.3 
D)  infinite

Question 18

$$\text { Figure } \mathbf { 1 7 } < 5$$
-The circuit in Figure 17-5 is a ________ oscillator and uses ________ feedback.

Accepted Answer

A) Colpitts, positive 
B) Colpitts, negative 
C) crystal, negative 
D) Hartley, positive 
A) Colpitts, positive 
B) Colpitts, negative 
C) crystal, negative 
D) Hartley, positive

Question 19

Figure $17 < 3$
-The symbol in Figure 17-3(b)represents the ________.

Accepted Answer

A) N-channel depletion-type JFET 
B) N-channel enhancement-type MOSFET 
C) N-channel enhancement-type JFET 
D) P-channel enhancement-type MOSFET 
A) N-channel depletion-type JFET 
B) N-channel enhancement-type MOSFET 
C) N-channel enhancement-type JFET 
D) P-channel enhancement-type MOSFET

Question 20

A crystal oscillator uses a crystal to determine the ________.

Accepted Answer

A) dc output 
B) amount of negative feedback 
C) amount of positive feedback 
D) output frequency 
A) dc output 
B) amount of negative feedback 
C) amount of positive feedback 
D) output frequency

Figure $19 < 5$ -The frequency response curve in Figure 19-5 represents the output from the , and the bandwidth is .

Most diodes are made from a semiconductor material called germanium.

$\text { Figure } 17 < 1 -Find V<sub>CE</sub> in Figure 17-1.$ $\text { Figure } 17 < 1$ -Find V_CE in Figure 17-1.

If a full- Wave rectifier outputs 38 VP, its average output equals ________.

Op-amp comparators are often used as zero-level detectors.

A second-order filter rolls-off at 40 dB/decade.

Two types of FETs are the JFET and the MOSFET.

A typical value of input bias current for an op-amp is around 80 nA.

If a diode shorts in a full- Wave rectifier, ________.

An enhancement-type MOSFET can operateW ith)a positive value of VGS

Applying the reverse breakdown voltage to a diode Will ________.

A three-terminal voltage regulator ________.

An op-ampʹs CMRR is usually expressed in dB.

$Figure 18 < 1 -If \mathrm { R } _ { f } = 1.2 \mathrm { M } \Omega and A<sub>V</sub>=120 in Figure 18-1( c), Ri equals___________$ Figure $18 < 1$ -If $\mathrm { R } _ { f } = 1.2 \mathrm { M } \Omega$ and A_V=120 in Figure 18-1( c), Ri equals___________

$\text { Figure } 17 < 4 -If R<sub>1</sub> shorts in Figure 17-4, V<sub>C</sub>_____________$ $\text { Figure } 17 < 4$ -If R₁ shorts in Figure 17-4, V_C_____________

If you measure the voltage across a diode and it measures 0.3 V, the diode is probably made of and is biased.

$\text { Figure } \mathbf { 1 7 } < 5 -The circuit in Figure 17-5 is a oscillator and uses feedback.$ $\text { Figure } \mathbf { 1 7 } < 5$ -The circuit in Figure 17-5 is a oscillator and uses feedback.

Figure $17 < 3$ -The symbol in Figure 17-3(b)represents the ________.

A crystal oscillator uses a crystal to determine the ________.

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

Figure 19<519 < 519<5 -The frequency response curve in Figure 19-5 represents the output from the ________, and the bandwidth is ________.

Most diodes are made from a semiconductor material called germanium.

Figure 17<1\text { Figure } 17 < 1 Figure 17<1 -Find VCE in Figure 17-1.

If a full- Wave rectifier outputs 38 VP, its average output equals ________.

Op-amp comparators are often used as zero-level detectors.

A second-order filter rolls-off at 40 dB/decade.

Two types of FETs are the JFET and the MOSFET.

A typical value of input bias current for an op-amp is around 80 nA.

If a diode shorts in a full- Wave rectifier, ________.

An enhancement-type MOSFET can operateW ith)a positive value of VGS

Applying the reverse breakdown voltage to a diode Will ________.

A three-terminal voltage regulator ________.

An op-ampʹs CMRR is usually expressed in dB.

Figure 18<118 < 118<1 -If Rf=1.2MΩ\mathrm { R } _ { f } = 1.2 \mathrm { M } \OmegaRf​=1.2MΩ and AV=120 in Figure 18-1( c), Ri equals___________

Figure 17<4\text { Figure } 17 < 4 Figure 17<4 -If R1 shorts in Figure 17-4, VC_____________

If you measure the voltage across a diode and it measures 0.3 V, the diode is probably made of ________ and is ________ biased.

Figure 18<118 < 118<1 -If Rj=4.7kΩ\mathrm { R } _ { \mathrm { j } } = 4.7 \mathrm { k } \OmegaRj​=4.7kΩ and Rf=0.18MΩ\mathrm { R } _ { f } = 0.18 \mathrm { M } \OmegaRf​=0.18MΩ in Figure 18-1(c), the voltage gain equals

Figure 17<5\text { Figure } \mathbf { 1 7 } < 5 Figure 17<5 -The circuit in Figure 17-5 is a ________ oscillator and uses ________ feedback.

Figure 17<317 < 317<3 -The symbol in Figure 17-3(b)represents the ________.

A crystal oscillator uses a crystal to determine the ________.

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 $19 < 5$ -The frequency response curve in Figure 19-5 represents the output from the , and the bandwidth is .

$\text { Figure } 17 < 1 -Find V<sub>CE</sub> in Figure 17-1.$ $\text { Figure } 17 < 1$ -Find V_CE in Figure 17-1.

$Figure 18 < 1 -If \mathrm { R } _ { f } = 1.2 \mathrm { M } \Omega and A<sub>V</sub>=120 in Figure 18-1( c), Ri equals___________$ Figure $18 < 1$ -If $\mathrm { R } _ { f } = 1.2 \mathrm { M } \Omega$ and A_V=120 in Figure 18-1( c), Ri equals___________

$\text { Figure } 17 < 4 -If R<sub>1</sub> shorts in Figure 17-4, V<sub>C</sub>_____________$ $\text { Figure } 17 < 4$ -If R₁ shorts in Figure 17-4, V_C_____________

If you measure the voltage across a diode and it measures 0.3 V, the diode is probably made of and is biased.

$\text { Figure } \mathbf { 1 7 } < 5 -The circuit in Figure 17-5 is a oscillator and uses feedback.$ $\text { Figure } \mathbf { 1 7 } < 5$ -The circuit in Figure 17-5 is a oscillator and uses feedback.

Figure $17 < 3$ -The symbol in Figure 17-3(b)represents the ________.