试题与答案

当三极管工作于放大状态时,它的()。 A.发射结和集电结都处于正偏置 B.发射结和集

题型:单项选择题

题目:

当三极管工作于放大状态时,它的()。

A.发射结和集电结都处于正偏置

B.发射结和集电结都处于反偏置

C.发射结处于反偏置,集电结处于正偏置

D.发射结处于正偏置,集电结处于反偏置

答案:

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参考答案:C

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9()

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