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2022大学慕课答案 网络技术及应用(刘玲)(黑龙江八一农垦大学) 最新大学MOOC满分章节测试答案
2022大学慕课答案 医患沟通(孙悦)(扬州大学) 最新大学MOOC满分章节测试答案
2022大学慕课答案 2020春季课程-电子线路基础(高源)(天津中德应用技术大学) 最新大学MOOC满分章节测试答案
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本课程起止时间为:2020-03-21到2020-07-20
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【作业】Chapter 1 SEMICONDUCTOR DIODES 第一章 作业
1、 问题:1. Which of the following is not a commonly used semiconductor material’? A) carbon B) lead C) silicon D) germanium 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 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 D) None of the above 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 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
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