【单选题】
稳压二极管的正常工作状态是___。
A. 导通状态
B. 截至状态
C. 反向击穿状态
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答案
C
解析
暂无解析
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测量电动机线圈对地的绝缘电阻时,摇表的“L”、“E”两个接线柱应()。 ___
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B. “L”接在电动机出线的端子，“E”接电动机的外壳
C. 随便接，没有规定
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