788智慧树知到《模拟电子技术基础（西安邮电大学版）》章节测

题目描述

智慧树知到《模拟电子技术基础（西安邮电大学版）》章节测试答案,智慧树 知到 模拟电子技术基础的答案如下：
智慧树知到《模拟电子技术基础（西安邮电大学版）》章节测试答案

第一章

1、Which of the following is not a commonly used semiconductor material’? （ ）

A:carbon

B:lead

C:silicon

D:germanium

答案: lead

2、The characteristic of an ideal diode are those of a switch that can conduct current（ ） .

A:in both directions

B:in one direction only

C:in both directions but in only one direction at a time

D:depends on the circuit it is used in

答案: in one direction only

3、When a diode is doped with either a pentavalent or a trivalent impurity its resistance will （ ） .

A:increase

B:decrease

C:make the resistance stable against variation due to temperature

答案: decrease

4、The piecewise linear model, equivalent circuit of the diode consists of （ ）.

A:a junction capacitor, a battery, a small resistor, and the ideal diode

B:a battery, a small resistor, and the ideal diode

C:a battery and the ideal diode

D:the ideal diode

答案: a battery, a small resistor, and the ideal diode

5、When a p-n junction is reverse-biased, its junction resistance is （ ）.

A:high

B:low

C:determined by the components that are external to the device

D:constantly changing

答案: high

第二章

1、What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other? （ ）.

A:11.3 V

B:35 V

C:7 V

D:4 V

答案: 7 V

2、The resistor voltage and resistor current in this circuit are （ ）.image.png

A:10 V, 5 mA

B:11 V, 2 mA

C:11 V, 11 mA

D:2 V, 11 mA

答案: 11 V, 11 mA

3、Which of the following circuits is used to eliminate a portion of a signal? （ ）.

A:Clipper

B:Damper

C:Voltage multiplier

D:Voltage divider

答案: Clipper

4、The circuit shown here is a （ ）. image.png

A:series clipper

B:parallel clipper

C:series clamper

D:shunt clamper

答案: parallel clipper

5、The Zener diode must be operated such that （ ）.

A:image.png

B:image.png is less than the specified image.png

C:the applied voltage is greater than image.png[1] [2] [3] [4] [5] [6] [7]  下一页