PinoyBIX Engineering Problem Solving and Reference

Below are the answers key for the Multiple Choice Questions (Quiz) in pnpn and Other Devices from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. C. 4

2. D. All of the above

3. C. 4

4. A. SCR

5. B. About 50 kHz

6. C. Gate

7. D. 100 kΩ or more

8. A. npn, pnp

9. C. Both npn and pnp

10. B. 10 µs to 25 µs

11. A. 5 µs to 30 µs

12. A. SCR

13. D. All of the above

14. C. 4

15. A. 1.5 mA

16. D. All of the above

17. D. All of the above

18. B. SCS

19. A. negative, positive

20. B. False

21. B. GTO

22. B. GTO

23. C. GTO

24. A. 3 A

25. D. 2

26. D. DIAC

27. C. Triac

28. B. False

29. C. Unijunction transistor

30. A. 50 Ω to 5 kΩ

31. C. AND

32. A. 4

33. B. 3

34. B. 16.25 kΩ

FILL-IN-THE-BLANKS

1. D. All of the above

2. A. thyristors

3. D. All of the above

4. C. 10 MW, 2000 A, 1800 V

5. B. anode, gate, and cathode

6. A. 0.01 Ω, 0.1 Ω

7. A. 0.1 μs to 1 μs

8. C. both current interruption and forced commutation

9. D. 100 mA, 20 mA

10. B. 90º

11. A. anode, anode gate, cathode gate, and cathode

12. C. higher, lower

13. D. either on or off

14. B. negative, positive

15. A. larger than

16. C. diac

17. D. All of the above

18. B. base

19. A. An increase, an increase

20. D. All of the above

21. C. both an infrared LED and a photodetector

22. B. decreases

23. D. All of the above

24. A. lower than

25. C. higher than

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory by Boylestad

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Below are the answers key for the Multiple Choice Questions (Quiz) in Other Two-Terminal Devices from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. D. All of the above

2. D. All of the above

3. C. Microamperes, milliamperes

4. A. 0 V to 0.2 V

5. E. Any of the above

6. B 50

7. A. 20 GHz

8. A. Schottky

9. D. 2 pF to 100 pF

10. D. All of the above

11. C. voltage, capacitor

12. B. varicap

13. C. exponentially

14. D. silicon

15. B. False

16. A. True

17. C. Tunnel

18. C. Both germanium and gallium arsenide

19. D. 20:1

20. A. A few microamperes to several hundred amperes

21. D. 600 mV

22. B. Positive-resistance

23. C. Photodiode

24. A. 100 ms

25. D. All of the above

26. C. 60ºC

27. A. Less than 100 ns

28. C. 100 ms to 300 ms

29. B. 100 mW/cm²

30. D. All of the above

31. C. Either positive or negative

32. D. All of the above

33. A. 5 kΩ

34. C. 100 Ω

35. B. 3% to 5%

FILL-IN-THE-BLANKS

1. C. both quick response time and a lower noise figure

2. A. more, high

3. B. electron

4. C. less than

5. B. a higher

6. B. 1/3

7. D. All of the above

8. C. increases, reduces

9. B. 20 V

10. A. very large, very small

11. D. All of the above

12. C. parallel, series

13. B. decreases

14. D. one hundred, several thousand

15. D. All of the above

16. C. both angstrom units and micrometers

17. A. increases

18. B. higher, higher

19. D. 10 ms

20. B. increases

21. A. a lower

22. B. much slower than

23. C. Both selenium and silicon

24. D. All of the above

25. A. 10%, 40%

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory by Boylestad

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Below are the answers key for the Multiple Choice Questions (Quiz) in Power Supplies (Voltage Regulators) from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. A. Battery charger

2. B. 8.5%

3. A. 4.17%

4. C. Capacitor filter

5. B. 1.28 V

6. B. 0.5

7. A. full, half

8. A. 0

9. C. The time during which the diode(s) is (are) conducting

10. B. The time during which the diodes are not conducting

11. C. 37.78 V

12. A. 3.2%

13. A. √3

14. B. False

15. C. Decrease the ac voltage component

16. D. 48.78 V

17. A. True

18. B. False

19. C. 1.3 ÷ C

20. C. Transistor Q1

21. D. Resistors R₁ and R₂

22. A. Op-amp

23. B. 17 V

24. C. Both the Zener diode and the transistor base-emitter voltage

25. B. Zener diode

26. C. Hundreds of milliamperes to tens of amperes

27. B. +5 V to +24 V

28. D. 2 V

29. B. 2

30. B. 1.2 V to 37 V

31. C. 1.25 V, 100 μA

32. C. 12 V

33. D. –12 V

34. B. –5 V

35. A. 5 V

FILL-IN-THE-BLANKS

1. D. All of the above

2. C. pulsating dc voltage

3. A. smaller, better

4. B. average of the signal

5. C. is reduced

6. A. smaller, better

7. D. a larger, less

8. A. 0%

9. A. smaller than

10. C. larger than

11. B. constant dc voltage

12. C. smaller than

13. B. 0.5

14. B. twice

15. C. charging and discharging of the capacitor

16. D. larger, less, higher

17. A. shorter, larger

18. D. both the short-circuit resistor R_sc and transistor Q₂

19. C. both the output voltage and output current

20. B. switching regulator

21. D. All of the above

22. D. All of the above

23. A. 11.5 V, 12.5 V

24. B. negative voltage regulators

25. C. LM317

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory by Boylestad

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Below are the answers key for the Multiple Choice Questions (Quiz) in Feedback and Oscillator Circuits from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. D. All of the above

2. D. All of the above

3. D. All of the above

4. A. 1 + βA

5. B. 1 + βA

6. A. True

7. B. –3.85

8. C. 390 kΩ

9. D. 769.23 Ω

10. B. 0.3%

11. A. –4.36

12. C. 4.75

13. C. –4.17

14. A. –20.0

15. B. –8.57

16. C. Both A and the phase shift between input and output signals

17. B. 180º

18. D. 0º

19. A. True

20. A. True

21. C. Both βA > 1 and the phase shift around the feedback network must be 180º.

22. B. False

23. C. 1

24. B. 8.48 kΩ

25. B. Greater than –29

26. A. phase-shift

27. B. 29

28. C. R₁, R₂, C₁, and C₂

29. A. 1560.34 Hz

30. D. 3558.8 Hz

31. C. 159 pF

32. B. Wien bridge

33. D. All of the above

34. C. Colpitts

35. A. 20,000

FILL-IN-THE-BLANKS

1. A. decreased voltage gain

2. C. oscillation in the circuit

3. B. increase, decrease

4. A. decrease, increase

5. D. 1 + βA

6. C. more

7. B. higher, smaller

8. A. Zero

9. C. increases

10. B. less than 1

11. D. 1

12. A. greater than 1

13. C. greater than 29

14. D. RC combinations

15. D. 2

16. D. both inductance and a capacitance

17. B. capacitors, inductor

18. A. inductors, capacitor

19. C. greater

20. D. high

21. A. very low

22. D. very high

23. A. very large

24. D. All of the above

25. C. 0.4, 0.6

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory by Boylestad

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Below are the answers key for the Multiple Choice Questions (Quiz) in Linear-Digital ICs from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. C. Passive filter

2. D. All of the above

3. D. All of the above

4. A. 4

5. A. comparator

6. A. comparator

7. A. comparator

8. C. Changing a digital signal to an analog signal

9. C. 0 V or Vref

10. A. The analog output voltage proportional to the digital input voltage

11. B. Vref /256

12. C. Both positive and negative

13. A. Connecting the analog voltage to the integrator for a fixed time

14. C. At the end of the charging of the capacitor

15. D. All of the above

16. B. During the discharging of the capacitor of the integrator

17. C. Both staircase and analog input voltage

18. D. 1.024 ms

19. B. 976

20. A. Comparator

21. D. ladder network

22. A. ADC

23. D. 128 Hz

24. A. True

25. B. Astable multivibrator

26. A. Monostable multivibrator

27. C. Both square- and triangular-wave

28. D. All of the above

29. B. 53.33 kHz

30. C. 116.39 kHz

31. A. True

32. D. All of the above

33. C. 2

34. A. 90.91 kHz

35. C. Both 1070 Hz and 1270 Hz

FILL-IN-THE-BLANKS

1. A. linear, digital

2. C. either the plus or minus, the other

3. D. All of the above

4. C. either a dual power supply of 15 V or a single +5 V supply

5. B. any positive, low

6. D. within the high and the low reference voltages

7. C. either above the higher reference voltage or below the lower reference voltage

8. A. more, greater

9. B. comparator

10. D. 19.5 mV

11. A. 2V_CC / 3, V_CC / 3

12. C. R_A and R_B, R_B

13. D. 1/3 V_CC, 2/3 V_CC

14. C. microseconds, many seconds

15. B. varying

16. C. both an external resistor and an external capacitor

17. D. All of the above

18. A. the same as

19. B. remove the sum frequency component

20. B. an external resistor

21. B. 14 V

22. A. high

23. D. 5 V, 0 V

24. B. –12 V, 12 V

25. D. All of the above

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory by Boylestad

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Below are the answers key for the Multiple Choice Questions (Quiz) in Power Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. All of the above

2. Between 180º and 360º

3. Class C

4. Class D

5. Class A

6. All of the above

7. Power

8. All of the above

9. Class A

10. Class B

11. None of the above

12. Class C

13. A, AB, B, D

14. 25%

15. N₂/N₁

16. 3.2 kΩ

17. 40:1

18. 33.3%

19. 50%

20. 78.5%

21. 2

22. 0.636

23. True

24. 70.69%

25. All of the above

26. Quasi-complementary

27. True

28. 8.33%

29. Spectrum analyzer

30. Wave analyzer

31. 150º to 200º

32. Class C

33. 25 W

34. 57.7 W

35. MOSFET

FILL-IN-THE-BLANKS Questions

1. a few W, tens of W

2. All of the above

3. class A

4. 180º

5. Class D

6. 90%

7. less than 100

8. 50%

9. (N₁/N₂)²

10. the dc

11. –1/(a²R_L)

12. difference

13. the least

14. larger, smaller, closer

15. a full-wave

16. V_CC

17. Both npn and pnp or nMOS and pMOS

18. higher, lower

19. larger than

20. adding

21. All of the above

22. the higher

23. junction

24. a low

25. class C

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Operational Amplifiers Applications from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. –0.125 V

2. 1.1 V

3. 6.12 mV

4. 1 V

5. 3.02 V

6. 0.075 V

7. –0.075 V

8. 0.168 V

9. 50 kΩ

10. False

11. True

12. –6.45 V

13. –6.6 V

14. –4 V

15. –6.6 V

16. 2 V

17. –10(V₂ – V₁)

18. –4 V

19. 0 V

20. 12 V

21. 0 V

22. 2 V

23. –2 V

24. 3

25. 2

26. 1

27. 1

28. 5 mA

29. 5.25 V

30. All of the above

31. instrumentation amplifier

32. 1.273 kHz

33. f_OL = 318.3 Hz, f_OH = 318.3 Hz

34. low-pass

35. False

FILL-IN-THE-BLANKS Questions

1. smaller than

2. All of the above

3. product

4. Both inverting and noninverting op-amp circuits can be used to

5. several inputs and one output

6. 1

7. in phase

8. very high

9. low

10. All of the above

11. The output voltage depends on the input current.

12. Both inverting and noninverting op-amp circuits

13. in phase

14. both ac and dc

15. All of the above

16. high, resistor

17. the ac

18. difference between the two inputs

19. op-amp

20. All of the above

21. All of the above

22. bandpass

23. either –20 dB/decade or –6 dB/octave

24. either –40 dB per decade or –12 dB per octave

25. a high-pass and a low-pass

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Operational Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. All of the above

2. single-ended input

3. double-ended (differential) input

4. double-ended output

5. common-mode operation

6. Common-mode

7. Emitters

8. Bipolar and MOSFET

9. bipolar, MOSFET, BiMOS

10. Virtually zero

11. Virtually zero

12. 1

13. –10

14. 11

15. 1

16. 50 mV

17. –1.5 V

18. –1 / RC

19. True

20. inverting amplifier

21. integrator

22. differentiator

23. Both an input offset voltage, V_IO and an input offset current, I_IO

24. –20 dB / decade or –6 dB / octave

25. All of the above

26. 1

27. 15 Hz

28. 5 V/ms

29. 250

30. 0.00375

31. The sum of the differential gain times the difference input voltage and the common-mode gain times the common input voltage.

32. The differential gain times twice the input signal.

33. The common-mode gain times the input signal.

34. V i₁ = –V i₂ = 0.50 V

35. Vi₁ = –Vi₂ = 0.50 V

FILL-IN-THE-BLANKS Questions

1. very high, wide

2. high, low

3. 180º

4. either an input is applied between the two input terminals or two separate signals are applied to the input terminals

5. outputs from both output terminals, which have opposite polarities

6. highly, slightly

7. single-ended

8. double-ended

9. common-mode

10. very large, very small

11. BiFET

12. CMOS

13. CMOS

14. infinite, zero, infinite

15. inverting

16. capacitor

17. V/ms

18. All of the above

19. increases, increases

20. decreases, decreases

21. None of the above

22. the input offset voltage and input offset current

23. closed-loop gain

24. average of the sum

25. A_d / A_c

26. infinite, larger

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in BJT and FET Frequency Response from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. 2.3

2. 2.3

3. 6

4. –13.01 dB

5. 316.228

6. 300 mW

7. 1.225 V

8. 1 mW

9. Low-frequency

10. All of the above

11. 0.50

12. 0.707

13. –3 dB

14. High

15. Low

16. High

17. 1.0

18. About 0º

19. 45º

20. 159.15 Hz

21. 63.43º

22. 2

23. 10

24. RE = 0 Ω

25. Highest

26. 238.73 Hz

27. All of the above

28. Mid

29. All of the above

30. All of the above

31. Common-base

32.

33. 1 to 10 pF

34. 0.1 to 1 pF

35. It is composed only of odd harmonics.

FILL-IN-THE-BLANKS Questions

1. 10, e

2. less, negative

3. 10, 1

4. 600

5. sum

6. 50

7. All of the above

8. 0.707A_v mid

9. increases, decreases, more

10. 6-dB

11. 20-dB

12. highest

13. mid-frequency

14. decreased

15. inverting

16. largest, smallest

17. decrease

18. lowest

19. common-base, common-emitter

20. lowest, maximum

21. significantly greater

22. –40 dB

23. decreases

24. fundamental

25. 0.33

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Field Effect Transistor Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. All of the above
2. current
3. voltage
4. All of the above
5. 1000 µS to 5000 µS
6. 0.25 I_DSS
7. 1000 MΩ
8. 3 mS
9. 2 mS
10. 2.75 mS
11. 3.46 mS
12. 100 kΩ
13. 4 mS, 66.7 kΩ
14. greater
15. one-half
16. 0.707
17. greater
18. All of the above
19. All of the above
20. 1.92 kΩ
21. –3.62
22. R_D || r_d
23. r_d ≥ 10R_D
24. 2.92 kΩ
25. All of the above
26. 480.9 Ω
27. 330.4 Ω
28. All of the above
29. –7.29
30. 2.53 MΩ
31. 1.81 kΩ
32. –2.95
33. 1.65 kΩ
34. 2.82 kΩ
35. All of the above

Fill-in-the-blanks-answers

1. high
2. much higher
3. E-type MOSFET
4. g_m
5. A_i
6. V_GS’, I_D
7. I_D to V_GS
8. increases
9. I_DSS
10. 0 V, V_p
11. 10¹² Ω to 10¹⁵ Ω
12. 10 µS –50 µS
13. fixed-bias
14. R_G
15. Setting V_i equal to zero
16. All of the above
17. Z_i
18. source-follower
19. source-follower
20. voltage-divider
21. common-gate
22. common-gate
23. E-type MOSFET
24. lower, lower
25. E-type MOSFET

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in DC Biasing – FETs from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. 0 A
2. I_D = I_S
3. nonlinear, squared
4. BJT, FET
5. 16 V
6. True
7. All of the above
8. V_S
9. 3.3 kΩ
10. Both cross the origin.
11. 5.167 kΩ
12. 3.8 V
13. All of the above
14. 250 Ω
15. 100 MΩ
16. False
17. 6.2 kΩ
18. 3.5 V
19. 40 V
20. 0 V, 0 V
21. 17.0 V
22. False
23. 0 V
24. 5.34 V
25. 3.2 kΩ, 400 Ω
26. 1.68 kΩ
27. 4.13 kΩ
28. True
29. True
30. –3 V
31. 1.5 mA, –1.5 V
32. 3.58 V
33. m, fixed-bias
34. thermistor
35. dc, ac

Fill-in-the-blanks-answers

1. nonlinear
2. voltage
3. current
4. JFETs and depletion-type MOSFETs
5. open-circuit, low impedance
6. V_G
7. 1
8. 0.25
9. the input
10. R_S
11. Increased, lower, less
12. All of the above
13. more rapidly
14. voltage-divider
15. V_GS(Th)
16. All of the above
17. R_D
18. 3.75
19. All of the above
20. V_GSQ
21. 25, 75
22. fixed-bias
23. voltage-divider
24. the normalized level
25. positive, negative

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Field Effect Transistor Devices from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. V_GS
2. p-n channel
3. 1 MΩ to several hundred MΩ
4. MOSFET
5. current, voltage
6. bipolar, unipolar
7. All of the above
8. Zero amperes
9. All of the above
10. No bias
11. 11.378 kΩ
12. zero amperes
13. gate, drain, source
14. V_p
15. ohmic
16. All of the above
17. –2.54 V
18. 0.444 mA
19. 0.25
20. one-half
21. All of the above
22. –25 Vdc, 10 mAdc
23. β_dc
24. 3 or 4
25. All of the above
26. 1.66 V
27. 4.167 mA
28. SiO₂
29. 3.70 V
30. enhancement-type MOSFET
31. All of the above
32. To protect the MOSFET for both polarities
33. All of the above
34. JFET
35. 10⁸ Ω

Fill-in-the-blanks-answers

1. voltage-controlled
2. unipolar
3. high input
4. MOSFET
5. n-type, p-type
6. wider
7. parabolic
8. All of the above
9. more, more
10. using both Shockley's equation and by output characteristics
11. All of the above
12. curve tracer
13. Per step
14. V_GS
15. construction of the gate connection
16. the absence of the channel
17. V_GS
18. higher, more
19. applied V_GS is less than or equal to V_GS(Th)
20. All of the above
21. CMOS
22. largest, smallest
23. an insulator
24. enhancement, depletion
25. positive

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Bipolar Junction Transistor Amplifiers from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. Small- or large-signal
2. Less than 1
3. Ac power to the load/dc power supplied
4. All of the above
5. hybrid equivalent
6. r_e
7. All of the above
8. All of the above
9. All of the above
10. resistive, ohms, megohms
11. current
12. Siemen
13. h_ib
14. A few ohms to a maximum of 50 Ω
15. Less than 1
16. I_e
17. 40 kΩ to 50 kΩ
18. r_o ≥ 10R_C
19. r_o ≥ 10R_C and R_B ≥ 10r_e
20. The output and input voltages are 180º out of phase.
21. 180º
22. All of the above
23. Fixed-bias common-emitter and voltage-divider with bypass capacitor
24. Emitter-follower
25. emitter-follower
26. high, low
27. A_i
28. βr_e < 10R₂
29. Common-base
30. 180º
31. All of the above
32. False
33. False
34. The effect of Rs and RL must be considered as a product and evaluated individually.
35. larger, smaller
36. β₁ • β₂
37. 1
38. h_r
39. βr_e

Fill-in-the-blanks-answers

1. magnitude
2. r_e and hybrid equivalent
3. applied dc voltage
4. All of the above
5. greater than
6. either in phase or 180º out of phase
7. forward-biased, reverse-biased
8. small, high
9. in phase
10. I_B, I_C
11. I_E
12. 180º out of phase
13. moderate, high
14. h_f
15. h_r, h_o
16. base, collector
17. dc level of V_B
18. A_i
19. significantly increases
20. slightly less than 1
21. in phase
22. high, low
23. A_v
24. low, high
25. in phase, in phase
26. no
27. always less than
28. parallel
29. Q-point
30. smaller, lower
31. larger, lower
32. 1
33. pnp, npn
34. h_ie
35. A_v

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in DC Biasing - BJTs from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. I_E and I_C
2. I_C and I_B
3. Linear or active
4. 170 mW
5. ≤
6. ≤
7. forward, reverse
8. forward, forward
9. V_BC
10. 116
11. 10 V
12. All of the above
13. True
14. 3.23 V
15. 7.86 V
16. 4.72 mA
17. –4.52 V
18. 4.52 V
19. All of the above
20. 1.4 V, 59.7 µA
21. −3.65 V
22. 49.2 Ω
23. False
24. True
25. All of the above
26. 42 ns
27. True
28. True
29. 25, 75
30. All of the above
31. S(β)
32. S(β)
33. 140.34 µA
34. 145.8 µA
35. 2.417 mA

Fill-in-the-blanks-answers

1. All of the above
2. dc and ac
3. an open circuit equivalent
4. base, base
5. both current gain β and leakage current I_CEO
6. R_B and β
7. maximum, left of the V_CEsat line
8. collector-emitter loop
9. V_CC
10. R_C
11. larger
12. Thevenin resistance R_Th
13. voltage divider
14. more than
15. I_B + I_{C’ ,} I_C
16. Fixed bias
17. Voltage divider
18. low, high
19. cutoff, saturation
20. 25, 75
21. All of the above
22. increases, decreases, doubles
23. larger spacing
24. higher, more
25. larger, lower, more

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Bipolar Junction Transistors from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. 1940s
2. 3
3. 150:1
4. All of the above
5. pnp, npn
6. 3
7. 1
8. Minority
9. 200 µA
10. 2 µA
11. All of the above
12. Saturation
13. 0.7 V
14. reverse, forward
15. I_C / I_B
16. 10 Ω–100 Ω, 50 k Ω–1 MΩ
17. All of the above
18. 100
19. 110
20. All of the above
21. 0.99
22. Common-emitter
23. 10
24. I_C / I_B
25. All of the above
26. All of the above
27. All of the above
28. False
29. All of the above
30. β_ac
31. 200
32. 100 Ω to a few kΩ, exceeding 100 kΩ
33. Faulty device
34. Any of the above
35. 4

Fill-in-the-blanks-answers

1. 3, 1, 2
2. much larger than
3. considerably less than
4. decreases, increases
5. holes, electrons
6. reverse, forward
7. µA, mA
8. difference
9. active
10. reverse, reverse
11. forward, forward
12. 0.90, 0.998
13. 50 to 300, less than 1
14. ac and dc
15. high, low
16. All of the above
17. dc, ac
18. base current I_B
19. β_dc
20. V_BE
21. low, very high
22. reverse bias
23. npn, pnp
24. aluminum
25. All of the above

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Diode Applications from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. 4.3 mA

2. Ideal

3. Both Si and Ge

4. 4.76 mA

5. 0 V

6. R_L = 5.5 kΩ

7. 1.893 mA

8. 1.371 V

9. on

10. 0 A

11. 0 V

12. 14.70 mA

13. 0 mA

14. 3.393 mA

15. 4.65 mA

16. 10 V

17. Positive logic OR gate

18. Positive logic AND gate

19. Half-wave rectifier

20. 2.325 mA

21. 1.479 mA

22. Full-wave rectifier

23. Series and parallel

24. 15 V

25. 16 V, –4 V

26. Clipper

27. 25 ms

28. 2 mA, 4 mA

29. I_ZM

30. V_Z

31. I_ZM

32. 2 Vm

33. –20 V

34. True

35. True

Fill-in-the-blanks-answers

1. point of operation

2. load resistor

3. network, device

4. dc network

5. source voltage

6. larger than

7. decrease

8. an open circuit

9. on

10. open

11. ideal model

12. half-wave rectifier

13. larger than

14. 1

15. 0, 0

16. All of the above

17. 1

18. less than VZ but greater than zero

19. the same as

20. maintain a fixed voltage across the load resistor

21. decrease, keep the same level of

22. low, very large

23. positive, 2 Vm, negative

24. better

25. odd, even

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory

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Below are the answers key for the Multiple Choice Questions (Quiz) in Semiconductor Diodes from the book Electronic Devices and Circuit Theory 10th Edition by Robert L. Boylestad.

Answer Key:

1. 2

2. 0

3. An open circuit

4. All of the above

5. open

6. All of the above

7. 32

8. 4

9. 1.6 × 10^–19

10. All of the above

11. 5

12. Forward bias

13. mA

14. Si diodes have higher PIV and wider temperature ranges than Ge diodes.

15. True

16. 25

17. 28 mA

18. 2

19. False

20. simplified

21. 28 mW

22. depletion

23. Diffusion

24. Very high frequency

25. 3 pF

26. All of the above

27. An open diode

28. Any of the above

29. 5.34 V

30. 0.0267

31. All of the above

32. 150 mW

33. Candela

34. 1.7 – 3.3 V

35. 1.7 – 3.3 V

Fill-in-the-blanks-answers

1. diode

2. resistivity

3. neutrons, protons

4. substantial increase

5. negative temperature

6. a higher

7. 5

8. electron

9. 3

10. µA

11. shrinks

12. exponential

13. All of the above

14. double

15. in parallel

16. lower, higher

17. doping levels

18. 0.25

19. the less the

20. 0, 90

21. All of the above

22. a few nanoseconds

23. reciprocal of the slope

24. smaller than

25. increases

Complete List of Chapter Quiz in Electronic Devices and Circuit Theory by Boylestad

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