問題詳情
11. 燈光及馬達控制以PWM原理控制
(A)電壓大小
(B)相位轉換
(C)脈波寬度
(D)頻率大小。
(A)電壓大小
(B)相位轉換
(C)脈波寬度
(D)頻率大小。
參考答案
答案：C
難度：適中0.636364
統計：A(3),B(4),C(14),D(1),E(0)
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