問題詳情
29. 下列何者能自動將短路電流斷路？
(A)手按開關
(B)無熔絲開關
(C)電磁開關
(D)保持電驛。
(A)手按開關
(B)無熔絲開關
(C)電磁開關
(D)保持電驛。
參考答案
答案：B
難度：非常簡單0.9
統計：A(0),B(9),C(0),D(1),E(0)
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