100.有個二線式附 LED 之磁簧開關的內部迴路如下,何者在感測時感測器會導通,同時 LED 燈亦會亮?
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統計: A(0), B(33), C(2), D(2), E(0) #942578
統計: A(0), B(33), C(2), D(2), E(0) #942578