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
33. 橋式整流器(Bridge Rectifier)的濾波輸出直流電壓為 50V 時,其二極體的逆向峰值電壓為多少?(A) 39.3V (B) 55.6V (C) 78.6V (D) 100V
問題詳情
33. 橋式整流器(Bridge Rectifier)的濾波輸出直流電壓為 50V 時,其二極體的逆向峰值電壓為多少?
(A) 39.3V
(B) 55.6V
(C) 78.6V
(D) 100V
參考答案
上一篇 :
32. 矽(Si)半導體材料中,摻入五價的雜質(dopant),問此半導體是何種類型(type)?其少數載子(minority carrier)為何? (A) N 型半導體;電子 (B) N 型半導體
下一篇 :
25. 運動公式 ,其中kx(t)是(A)慣性力 (B)阻尼力 (C)彈性力 (D)外力
資訊推薦
24. 工場機器使用的電壓一般高於家用電器的電壓,主要目的是(A)降低電流 (B)提高電阻 (C)降低電感 (D)減少電容
34. 根據以下電路,Vi=14 V,R1=2KΩ,R2=2KΩ,稽納二極體(Zener Diode)的崩潰電壓為 10V,問輸出電壓 Vo 為多少? (A) 7V (B) 8V (C) 9V (D)
32.如下圖所示之彈簧系統,K代表彈簧常數,K1=120N/cm,K2=80N/cm ,K3=100N/cm ,試求組合後其總彈簧常數為何? (A)100 (B)66.6 (C)148 (D)300
18. To keep your account safe, we __________ recommend that you change your current passwordimmediat
19. My parents had a double bedroom on the second floor, my sister had the small bedroom next to____
21. During the journey, the driver and other passengers are not permitted to access the car-deck and
22. You can book an appointment with one of our advisors who can help you with any personal_________
26. Please note that the main indoor exhibition is __________ closed for renovation, but that all ot
23. Anything that is well-informed and catchy to the eyes is __________ to attract attention of view
27. If there are any issues due to natural calamity, bad weather, local strike, labor unrest or any
17. This stylish hotel features a variety of on-site entertainment facilities __________ free WiFi.(
29. Children under the age of 15 are unable to be accommodated in shared dormitories unlessaccompani
20. To maintain existing computerized systems takes __________ more time and effort. (A)much(B)quite
31. After the energy crisis, oil companies started __________ their energy sources, not depending on
32. Clinical trials and other studies that are not exploratory research should be done in __________
33. According to a survey, Finnish respondents view Swedish language as a vital element in businessl
25. A number of states in the USA are looking at ways to __________ even more tax revenue fromonline
24. Entrepreneurs’ focus will __________ from domestic sales to overseas markets this year.(A)releas
35. Iran's state TV says the country has __________ its first cyber police unit in the latest a
28. If you smoke, thirdhand smoke is one among __________ reasons you should quit. (A)number(B)numer
26. 一般木模的內孔拔模斜度約 (A)1° (B)3° (C)0.5° (D)5°
55. 請說明 Q (Q mailbox) 可容許多少位元數?(A)A-Z, 26位元(B)A-F, 6位元(C)A-Z, 25位元 (除了 L 位元)(D)A-Z, 24位元 (除了 L and U
27. 鋼板進行 90°角彎曲,在設計模具角度時,下列那個角度最可能?(A)93° (B)87° (C)35° (D)90°
30. Conditions do change, and some information __________ on this document is subjective.(A)gives (B
28. 一小圓在一大圓外滾動,則小圓上之一點所經過的軌跡為(A)外擺線 (B)內擺線 (C)漸開線 (D)雙曲線