問題詳情
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.
參考答案
答案：A
統計：A:2,B:0,C:0,D:1,E:0
難度：計算中