4.如下圖所示之電路,二極體順向壓降為0.7V,若
=+4.8V,試求
為多少V?

(A)+3.5
(B)+4.5
(C)+5.5
(D)+6.5
答案:登入後查看
統計: A(10), B(4), C(1), D(0), E(0) #3449945
統計: A(10), B(4), C(1), D(0), E(0) #3449945