9 承上題，求電流i2的響應為何？
 
(A)i2 = 0.5e10tmA
(B)i2 = 0.5e-10t mA
(C)i2 = 0.5e-5t mA
(D)i2 = 0.5e-0.2tmA

答案：登入後查看
統計： A(9), B(24), C(215), D(29), E(0) #1226776