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【判断题】

四探针法测硅晶体导电类型的原理是温差电动势法。

A.
正确
B.
错误
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题目标签：导电类型硅晶体四探针法
参考答案：
参考解析：
.
刷刷题刷刷变学霸
举一反三

【判断题】镀膜的一面硅片导电类型是P型。
A.
正确
B.
错误
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【简答题】硅晶体三极管发射结的导通电压约为()V,(填数字就行),锗晶体三极管发射结的导通电压约为()V,(填数字就行)。
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【判断题】硅晶体结构中原子间结合方式属于离子键
A.
正确
B.
错误
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【单选题】Human beings have used tools for a very long time. In some parts of the world you can still find tools that people used more than two million years ago. They made these tools by hitting one stone agai...
A.
disastrous.
B.
unpredictable.
C.
exciting.
D.
colourful.
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【单选题】Human beings have used tools for a very long time. In some parts of the world you can still find tools that people used more than two million years ago. They made these tools by hitting one stone agai...
A.
disastrous.
B.
unpredictable.
C.
exciting.
D.
colourful.
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【简答题】硅晶体三极管发射结的导通电压约为( )V,锗晶体三极管的饱和压降约为( )V
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【多选题】下面哪种是硅晶体中的点缺陷？
A.
硅晶体中的磷杂质
B.
晶体中的带一个正电的空位
C.
硅晶体有少量的钠
D.
层错
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【判断题】常温下，硅晶体三极管的U be =0.7V，且随温度升高U be 也增加。
A.
正确
B.
错误
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【单选题】Human beings have used tools for a very long time. In some parts of the world you can still find tools that people used more than two million years ago. They made these tools by hitting one stone agai...
A.
was one of the first tools.
B.
developed human capabilities.
C.
led to the invention of machines.
D.
was crucial to the development of mankind.
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【简答题】本实验的任务是中重建三种材料的单胞结构，分别是 晶体、硅晶体和Ba3Si6N8。
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