他激式的交流發電機之敘述哪一項是正確？(A) 利用本身的交流電經過整流後再激磁(B) 利用專用激磁機的直流電激磁(C) 利用永久磁鐵為磁場激磁(D) 利用本身的交流電直接激磁

問題詳情

4. 他激式的交流發電機之敘述哪一項是正確？
(A) 利用本身的交流電經過整流後再激磁
(B) 利用專用激磁機的直流電激磁
(C) 利用永久磁鐵為磁場激磁
(D) 利用本身的交流電直接激磁

參考答案

答案：B
難度：適中0.6
書單：沒有書單，新增

內容推薦

如圖所示之放大電路，試求Vo/Vi=？ (A) -3(B) -1(C) 3(D) 1
【題組】Where in the passage does the author talk about consequences of verbal bullying?(A) The firs
【題組】Which of the following questions is NOT answered by the passage?(A) How can we help children
【題組】According to the passage, who are more likely to become victims of verbal bullying?(A) Those
【題組】Which of the following is NOT mentioned as a reason for verbal bullying?(A) A child’s skin c
【題組】What are many people’s reactions to the program that fights childhood obesity?(A) They belie
【題組】According to the article, which of the following is TRUE?(A) Officials and educators worry a
【題組】What is the series of numbers “6-5-20” about?(A) how school kids should exercise and eat the
【題組】According to the passage, what could happen to children who are overweight all the time?(A)
【題組】(A) authorities (B) calamities (C) industries (D) irregularities

內容推薦