題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
5.電熱器之功率因數為多少%?(A) 70(B) 80(C) 90(D) 100
問題詳情
5.電熱器之功率因數為多少%?
(A) 70
(B) 80
(C) 90
(D) 100
參考答案
答案:D
難度:適中0.454545
統計:A(3),B(13),C(5),D(25),E(0)
上一篇 :
21. 下列敘述何者不正確?(A)教學方法的決定在教材選擇之前(B)決定目標之前要先分析學生的學習需求(C)評鑑是教學中及教學後都要進行的工作(D)發展和決定教學資源是在實施教學之前
下一篇 :
2 The movie looks likely to earn the actress a record 17th Oscar ______ for acting in her more-than-
資訊推薦
30. 現任教育部長是誰?(A)杜正勝(B)吳清基(C)鄭瑞城(D)蔣偉寧
6•架空輸電線路之電暈有甚多害處,下列哪一項措施不具有減輕或防止電暈之效果?(A)採較粗線徑之導線(B)增大導線間之距離(C)採用複導體線路 (D)提高輸電電壓
3 Cuteness has been a _____ aspect of Japanese culture, and cute elements can be found almost everyw
7.電路中,當有效電力等於無效電力時,其功率因數為多少?(A)1(B)0.866(C) 0.707(D) 0.5
4 Many parents are worried that the daily ______ of sex and violence in TV shows will have a bad inf
5 Janet has worked for the company for more than thirty years, and she knows the company’s history a
6 With the explanation of the “how” and the “why” behind each exercise and food choice, the gym’s cu
【題組】16 (A) develop (B) generate (C) trace (D) withdraw
7 Art history as we know it in the 21st century began in the 19th century and has precedents ______
【題組】17 (A) fostered (B) induced (C) isolated (D) deduced
請依下文回答第 27 題至第 32 題Why do people love coffee so much? Has the recent proliferation of trendy Starbuc
8 The magazine has suffered during the past year because the advertising income has fallen by ten pe
【題組】18 (A) vices (B) virtues (C) signatures (D) symptoms
【題組】36 According to the passage, when food is not enough, what will a human body automatically do?(A
【題組】27 What is the most appropriate title for this passage?(A) The Perfect Democrat (B) Coffee and C
請依下文回答第 10 題至第 14 題As the train approached the seaside town where I was going to spend my holidays,
請依下文回答第 20 題至第 23 題Who talks more, women or men? According to Professor Deborah Tannen at Georgetown
第 37 題至第 40 題為篇章結構,各題請依文意,從四個選項中選出最合適者,各題答案內容不重複 Probably few of us would admit that we are very con
12.(A+B)• C可以下列哪一個電路圖表示?(A) (B) (C) (D)
【題組】28 What is the main idea of the first paragraph?(A) Coffee-drinking has become popular in the pa
【題組】10 (A) apartment (B) department (C) compartment (D) deportment
【題組】20 (A) rapport (B) report (C) gossip (D) politics
【題組】38 (A) Consequently, projecting a youthful image may be necessary for getting or keeping a job.(
2 下列何案具新穎性?(A)A 案為「用銅製成的產物 A」;先前技術揭露「用金屬製成的產物 A」(B)B 案為「用於催化劑之化合物 X」;先前技術揭露「用於染料的化合物 X」(C)C 案為「用於治療心
【題組】29 What does the underlined word “accelerates” in the second paragraph mean?(A) Improves (B) Ham