问答题

用模拟万用表的欧姆挡检测三极管,测定结果如下:
               (1) RB-E=低,RE-B=低,RB-C=低,RC-B=高,RC-E=高,RE-C=高,晶体管能正常工作吗?为什么?
              (2) RB-E=高, RE-B =低, RB-C =低, RC-B =高, RC-E =高, RE-C =低,晶体管能正常工作吗?为什么?



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