2024知到答案 模拟电子技术基础（西安邮电大学） 完整智慧树网课章节测试答案
第一章 单元测试
文章目录
1、单选题：
Which of the following is not a commonly used semiconductor material'? （ ）
选项：
A:lead
B:germanium
C:carbon
D:silicon
答案: 【lead】
2、单选题：
The characteristic of an ideal diode are those of a switch that can conduct current（ ）.
选项：
A:in both directions but in only one direction at a time
B:in both directions
C:in one direction only
D:depends on the circuit it is used in
答案: 【in one direction only】
3、单选题：
When a diode is doped with either a pentavalent or a trivalent impurity its resistance will （ ）.
选项：
A:decrease
B:increase
C:make the resistance stable against variation due to temperature
答案: 【decrease】
4、单选题：
The piecewise linear model, equivalent circuit of the diode consists of （ ）.
选项：
A:the ideal diode
B:a junction capacitor, a battery, a small resistor, and the ideal diode
C:a battery and the ideal diode
D:a battery, a small resistor, and the ideal diode
答案: 【a battery, a small resistor, and the ideal diode】
5、单选题：
When a p-n junction is reverse-biased, its junction resistance is（ ）.
选项：
A:low
B:high
C:constantly changing
D:determined by the components that are external to the device
答案: 【high】
第二章 单元测试
1、单选题：
What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other? （ ）.
选项：
A:0.7 V
B:0.35 V
C:11.3 V
D:1.4 V
答案: 【0.7 V】
2、单选题：
The resistor voltage and resistor current in this circuit are （ ）.
选项：
A:11 V, 2 mA
B:11 V, 11 mA
C:10 V, 5 mA
D:2 V, 11 mA
答案: 【11 V, 11 mA】
3、单选题：
Which of the following circuits is used to eliminate a portion of a signal? （ ）.
选项：
A:Damper
B:Voltage divider
C:Voltage multiplier
D:Clipper
答案: 【Clipper】
4、单选题：
The circuit shown here is a （ ）. 
选项：
A:series clamper
B:parallel clipper
C:shunt clamper
D:series clipper
答案: 【parallel clipper】
5、单选题：
The Zener diode must be operated such that （ ）.
选项：
A:
B:the applied voltage is greater than 
C:
is less than the specified 
D:All of these
答案: 【All of these】