38.如圖在直流電路中,I
4
之電流大小為何? 
(A)1 A
(B)2 A
(C)3 A
(D)4 A
答案:登入後查看
統計: A(2), B(36), C(9), D(5), E(0) #944245
統計: A(2), B(36), C(9), D(5), E(0) #944245