當交流電動機電壓、電流相差 60 度時，其位移因數(Displacement Factor)約為多少？(A)1(B)0.5(C)0.85(D)2。

問題詳情

53. 當交流電動機電壓、電流相差 60 度時，其位移因數(Displacement Factor)約為多少？
(A)1
(B)0.5
(C)0.85
(D)2。

參考答案

答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)

內容推薦

8 I would have gone with you to see the movie had it been at all possible, but I_____ fully occupied
14 In many ways one of _____the most remarkable phenomena among insects the use of chemicals to brin
二、⑴請說明腦波量測的 10-20 國際標準量測方式（包含有那些電極）。（10 分）
作電源供應器之輸出暫態響應測試時，下列何者為必備之設備？(A)直流電源供應器(B)儲存示波器(C)數字式精密電表(D)電力分析儀。
23 According to the passage, what kind of stories are easier to understand?(A) Stories that pres
7 My mother was a devoted and religious woman who taught her children to believe in themselves and t
一、在計算局部放射式二氧化碳滅火設備防護對象物所需設計滅火藥劑量時，如採常溫高壓式藥劑儲存容器者，為何要乘以 4 倍？試申論說明之。（25 分）
⑵請說明如何設計一個右腳驅動電路抑制電源線干擾（包含電路、連接方式及抑制成效）。（15 分）
二、作文：（30 分）Clothing choice can have more effects than just one’s looks. Many think that peoplewho dr
The studies on speaking-task difficulty have yielded some useful advice for the planning of speaking

內容推薦