阿摩線上測驗
77. In the process of making LED lights, which measure is necessary to prevent LED lights
from burning out?
(A) Connecting a suitable resistor in series.
(B) Connecting a suitable capacitor in series.
(C) Connecting a suitable inductor in parallel.
(D) Connecting a suitable transformer in parallel.
答案：登入後查看
統計： A(24), B(4), C(3), D(6), E(0) #3278849
統計： A(24), B(4), C(3), D(6), E(0) #3278849
