# 2021 Holistic Circuitry, A Practical Approach(East China Normal University) 最新满分章节测试答案

**文章目录**[隐藏]

- Chapter 2： Learn the Principles of Diodes Easily and Joyfully Qiuz on Diodes
- Chapter 3 The Concept of Impedance Quiz on impedance
- Chapter 4 BJ Transistor Man Model Quiz on BJ Transistor
- Chapter 5 The Test of Induced Current in Human Body Quiz on Chapter 5
- Chapter 6： Transistor Switch and Oscillation Qiuz on Switch
- Chapter 6： Transistor Switch and Oscillation Quiz on Transistor Oscillation
- Chapter 7 Linear Regulated Power Supply with Transistors Quiz on Linear Regulated Power Supply with
- Chapter 8 Rhythmic LED arrays with Transistors Quiz on LED arrays
- Chapter 9 Principles of Operational amplifiers Quiz on OPAMP
- Chapter 10 Determind location of sound sources with transistors or OP AMP Quiz on Transistor sound s
- Chapter 10 Determind location of sound sources with transistors or OP AMP Quiz on OPAMP sound source
- Chapter 11 Breathing LED Light with OP-AMPs, Comparators and Integrators Quiz on breathing LED light
- Chapter 12 Clap Counting Circuit Where Digital Circuit and Analog Circuit Work Together Quiz on Clap
- Chapter 13 Running LED Lanterns – Digital Logic Circuit Quiz on Running LED by LS164
- Chapter 14 Noise Reduction with Dual-microphone Quiz on De-noise with 2 MIC

本答案对应课程为:点我自动跳转查看

本课程起止时间为:2021-04-12到2021-06-30

## Chapter 2： Learn the Principles of Diodes Easily and Joyfully Qiuz on Diodes

1、 问题:As shown in the figure, if power supply voltage is +5 volts and the forward voltage drop of the LED is +1.8 volts, what is the voltage across the resistor R1? (volt, voltage to Ground at TP1)

选项：

A:3

B:4.2

C:3.2

D:1.8

答案: 【3.2】

2、 问题:As shown in the figure, if power supply voltage is +3 volts and the forward voltage drop of the LED is +2.0 volts, what is the voltage across the resistor R1? (volt, voltage to Ground at TP1)

选项：

A:5.0

B:4.2

C:3.0

D:1.0

答案: 【1.0】

3、 问题:As shown in the figure, if power supply voltage is +3 volts and the forward voltage drop of the LED is +2.0 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:5

B:0

C:3

D:1

答案: 【0】

4、 问题:As shown in the figure, if power supply voltage is +10 volts and the forward voltage drop of the LED is +2.0 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:0

B:5

C:10

D:12

答案: 【0】

5、 问题:As shown in the figure, if power supply voltage is +1.5 volts and the forward voltage drop of the Schottky diode is +0.3 volts, what is the voltage across the diode? (voltage to Ground at TP1)

选项：

A:1.8

B:1.5

C:1.7

D:1.2

答案: 【1.5】

6、 问题:As shown in the figure, if power supply voltage is -3 volts and the forward voltage drop of the LED is +2.0 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:5.0

B:-4.2

C:-5.0

D:-1.0

答案: 【-1.0】

7、 问题:As shown in the figure, if power supply voltage is -1.0 volt and the forward voltage drop of the LED is +2.0 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:3.0

B:-1.0

C:-3.0

D:0

答案: 【0】

8、 问题:As shown in the figure, if power supply voltage is +0.5 volts and the forward voltage drop of the LED is +2.0 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:1.5

B:2.5

C:3.0

D:0.0

答案: 【0.0】

9、 问题:As shown in the figure, if power supply voltage is +50 volts and the forward voltage drop of the LED is +2.0 volts and breakdown voltage VBR is -30 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:30

B:20

C:0

D:80

答案: 【20】

10、 问题:As shown in the figure, if power supply voltage is +15 volts and the forward voltage drop of the Schottky diode is +0.3 volts, what is the voltage across the diode? (voltage to Ground at TP1)

选项：

A:15

B:18

C:12

D:10

答案: 【15】

11、 问题:As shown in the figure, if power supply voltage is +15 volts and the forward voltage drop of the Schottky diode is +0.3 volts, what is the voltage across the diode? (voltage to Ground at TP1)

选项：

A:18

B:15

C:0.7

D:0.3

答案: 【0.3】

12、 问题:As shown in the figure, if power supply voltage is -15 volts and the forward voltage drop of the Schottky diode is +0.3 volts, what is the voltage across the diode? (voltage to Ground at TP1)

选项：

A:18

B:-15

C:15

D:-15.3

答案: 【-15】

13、 问题:As shown in the figure, if power supply voltage is -15 volts and breakdown voltage VBR of the Zener diode is -9 volts, what is the voltage across the diode? (voltage to Ground at TP1)

选项：

A:7

B:-0.7

C:15

D:-9

答案: 【-0.7】

14、 问题:As shown in the figure, if power supply voltage is -0.4 volts and breakdown voltage VBR of the Zener diode is -9 volts, what is the voltage across the diode? (voltage to Ground at TP1)

选项：

A:9.4

B:-0.4

C:0.7

D:-9.4

答案: 【-0.4】

15、 问题:As shown in the figure, if power supply voltage is +5 volts and breakdown voltage VBR of the Zener diode is -9 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:5

B:0

C:-4

D:4

答案: 【0】

16、 问题:As shown in the figure, if power supply voltage is +15 volts and breakdown voltage VBR of the Zener diode is -9 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:15

B:0

C:-6

D:6

答案: 【6】

17、 问题:As shown in the figure, if power supply voltage is +15 volts and breakdown voltage VBR of the Zener diode is -9 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:15.7

B:24

C:-6

D:14.3

答案: 【14.3】

18、 问题:As shown in the figure, if power supply voltage is +0.5 volts and breakdown voltage VBR of the Zener diode is -9 volts, what is the voltage across the resistor R1? (voltage to Ground at TP1)

选项：

A:9.6V

B:0V

C:-6V

D:8.5V

答案: 【0V】

19、 问题:As shown in the figure, if power supply voltage is +0.5 volts and the forward voltage drop of the LED is +2.0 volts, what is the current flowing through the resistor R1?

选项：

A:0mA

B:5mA

C:15mA

D:0Volt

答案: 【0mA】

20、 问题:As shown in the figure, if power supply voltage is +5 volts and the forward voltage drop of the LED is +2.0 volts, what is the current flowing through the resistor R1?

选项：

A:10mA

B:5mA

C:15mA

D:20mA

答案: 【10mA】

21、 问题:As shown in the figure, if power supply voltage is +10 volts and the forward voltage drop of the LED is +2.0 volts, what is the power consumption of the LED?

选项：

A:23mW

B:53mW

C:100mW

D:88mW

答案: 【53mW】

22、 问题:As shown in the figure, if the allowable power consumption of the LED is 100 milliwatts and the forward voltage drop of it is +2.0 volts, what is the power supply voltage that may damage the LED?

选项：

A:20v

B:10v

C:16v

D:15v

答案: 【20v】

## Chapter 3 The Concept of Impedance Quiz on impedance

1、 问题:There is a signal generator with a nominal output impedance of 600Ω. The output voltage without load is 2 volts. If connect a load resistor of 1000Ω to the generator, what is the voltage across the 1000Ω resistor?

选项：

A:2.5V

B:1.0V

C:1.25V

D:0.5V