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電子學P22 第二點第二行(03:51)
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郭俊偉
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Oct 21, 2012, 8:30:17 AM
10/21/12
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在二極體總電流是電洞流加電子流。那如果只有一個N型半導體,那總電流為何也是?
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Oct 22, 2012, 5:41:44 AM
10/22/12
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您好:
在N型半導體中
一樣也有電子跟電洞
只是電子濃度跟電
洞
濃度相比,電子濃度較高(電子為多數載子,電洞為少數載子)
所以計算總電流時兩者都要算
您可以參考邱老師整理的
電子學觀念問答題
(請按右鍵「另存目標」)
郭俊偉於 2012年10月21日星期日UTC+8下午8時30分17秒寫道:
在二極體總電流是電洞流加電子流。那如果只有一個N型半導體,那總電流為何也是?
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