问题
单项选择题
如果测得的二极管正反向电阻都为零，则证明此二极管（）。
A.是好的
B.内部烧断
C.是坏的
D.反向击穿
答案
参考答案：C
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如果测得的二极管正反向电阻都为零，则证明此二极管（）。
A.是好的
B.内部烧断
C.是坏的
D.反向击穿
参考答案：C
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