3.求下圖之電流 I 為多少安培? 
(A)0.001
(B)0.002
(C)0.004
(D)0.005

(A)0.001
(B)0.002
(C)0.004
(D)0.005
答案:登入後查看
統計: A(82), B(694), C(20), D(10), E(0) #649123
統計: A(82), B(694), C(20), D(10), E(0) #649123
詳解 (共 2 筆)
#1606699
右邊10kΩ電阻被短路,故列式20=10kI,得I=2m
11
0
#1603672
求解?
1
0