8. 如圖48的電路,試問流經1K歐姆電阻的電流為多少 ?
60adf861bf6b4.jpg
(A)10mA
(B)5mA
(C)2mA
(D)1mA

答案:登入後查看
統計: A(3), B(13), C(4), D(5), E(0) #2713183