20. 如圖所示電路，已知：I1 = 4 A，I2 = -2 A，I3 = 1 A，I4 = -3 A，則I5 = ？ 
(A)-8 A
(B)2 A
(C)4 A
(D)-9 A

答案：登入後查看
統計： A(29), B(6), C(12), D(3), E(0) #1205796

詳解 (共 1 筆)

#1441591
Ｉ1+ I5 = I3+I2+I4
0
0