boylestad electronics multiple choice q&a chapter (11)
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boylestad electronics multiple choice q&a chapter 11TRANSCRIPT
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Site Title: Electronic Devices and Circuit Theory
Book Author: Boylestad
Location on Site: Chapter 11 > Multiple Choice
Date/TimeSubmitted:
August 18, 2012 at 10:56 AM (UTC/GMT)
Summary of Results
29% Correct of 35 Scored items:
10 Correct: 29%
25 Incorrect: 71%
More information about scoring
1. Determine the output voltage for this circuit with a sinusoidal input of 2.5 mV.
Your Answer: –0.25 V
Correct Answer: –0.125 V
2. Calculate the input voltage for this circuit if Vo = –11 V.
Your Answer: 1.1 V
3. Calculate the output voltage.
Your Answer: –6.00 mV
Correct Answer: 6.12 mV
4. Calculate the input voltage when Vo = 11 V.
Your Answer: 1.1 V
Correct Answer: 1 V
5. Calculate the output voltage.
Your Answer: 3.02 V
6. Calculate the output of the first-stage op-amp when V1 = 25 mV.
Your Answer: –1.05 V
Correct Answer: 0.075 V
7. Calculate the output of the second stage op-amp if V1 = 25 mV.
Your Answer: –0.075 V
8. Calculate the input voltage if the final output is 10.08 V.
Your Answer: –1.05 V
Correct Answer: 0.168 V
9. Determine the value of Rf (assuming that all have the same value).
Your Answer: 500 k
Correct Answer: 50 k
10. When a number of stages are connected in parallel, the overall gain is the product of theindividual stage gains.
Your Answer: True
Correct Answer: False
11. A number of op-amp stages can be used to provide separate gains.
Your Answer: True
12. Calculate the output voltage if V1 = V2 = 0.15 V.
Your Answer: 0 V
Correct Answer: –6.45 V
13. Calculate the output voltage if V1 = –3.3 V and V2 = 0.8 V.
Your Answer: 0 V
Correct Answer: –6.6 V
14. Calculate the output voltage if V1 = 33 mV and V2 = 02 mV.
Your Answer: 0 V
Correct Answer: –4 V
15. Calculate the output voltage if V1 = 0 V and V2 = 0.2 V.
Your Answer: 0 V
Correct Answer: –6.6 V
16. Calculate the output voltage if V1 = –0.2 V and V2 = 0 V.
Your Answer: 0 V
Correct Answer: 2 V
17. Determine the output voltage.
Your Answer: 10(V2 – Vi)
Correct Answer: –10(V2 – V1)
18. Calculate the output voltage if V1 = 300 mV and V2 = 700 mV.
Your Answer: 0 V
Correct Answer: –4 V
19. Calculate the output voltage if V1 = V2 = 700 mV.
Your Answer: 0 V
20. Refer to Example 11.7. Calculate the output voltage Vo if V1 = –V2 = 300 mV.
Your Answer: 0 V
Correct Answer: 12 V
21. Determine the output voltage when V1 = V2 = 1 V.
Your Answer: 0 V
22. Determine the output voltage when V1 = –V2 = 1 V.
Your Answer: 0 V
Correct Answer: 2 V
23. Determine the output voltage when V1 = –V2 = –1 V.
Your Answer: 0 V
Correct Answer: –2 V
24. How many op-amps are required to implement this equation?
Your Answer: 2
Correct Answer: 3
25. How many op-amps are required to implement this equation?
Your Answer: 2
26. How many op-amps are required to implement this equation?
Your Answer: 2
Correct Answer: 1
27. How many op-amps are required to implement this equation?
Vo = V1
Your Answer: 2
Correct Answer: 1
28. Calculate IL for this circuit.
Your Answer: 3 mA
Correct Answer: 5 mA
29. Calculate the output voltage for this circuit when V1 = 2.5 V and V2 = 2.25 V.
Your Answer: –5.25 V
Correct Answer: 5.25 V
30. An example of an instrumentation circuit is a(n) _____.
Your Answer: dc voltmeter
Correct Answer: All of the above
31. This circuit is an example of a(n)________.
Your Answer: dc voltmeter
Correct Answer: instrumentation amplifier
32. Calculate the cutoff frequency of a first-order low-pass filter for R1 = 2.5 k and C1 = 0.05
F.
Your Answer: 1.273 kHz
33. Calculate the cutoff frequencies of a bandpass filter with R1 = R2 = 5 k and C1 = C2 = 0.1
F.
Your Answer: fOL = 318.3 Hz, fOH = 318.3 Hz
34. A filter that provides a constant output from dc up to a cutoff frequency and passes no signalabove that frequency is called a _____ filter.
Your Answer: low-pass
35. A difference between a passive filter and an active filter is that a passive filter usesamplifier(s), but an active filter does not.
Your Answer: True
Correct Answer: False
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