14 如圖所示,依克希荷夫電流定律,求 I 為多少安培(A)?
(A) -1
(B)0
(C)1
(D)2
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統計: A(10), B(38), C(34), D(456), E(0) #2938581
統計: A(10), B(38), C(34), D(456), E(0) #2938581