問題詳情
9. 若電壓 
，電流 i(t )=10cos(ωt-45o)A，則下列何者正確？
(A) v 領先 i 90o
(B) v 落後 i 90o
(C) v 領先 i 180o
(D) v 與 i 同相
參考答案
無參考答案
內容推薦
- 依據事業單位勞工退休準備金監督委員會組織準則規定，事業單位勞工退休準備金監督委員會，每幾個月舉行會議一次？(A)一個月 (B)三個月 (C)四個月 (D)六個月.
- 【題組】What is the meaning of the underlined word snap up from the passagecould be replaced with __
- 【題組】What does the underlined word them from the passage stand for?(A) main protests(B) sidelines
- 閱讀測驗Millions in the former British colony have flocked to the streets inseveral mass protests over t
- 【題組】The underlined word encroachment from the passage could be replacedwith ____.(A) appropriati
- 【題組】⑶我不擅長外文，真傷腦筋。早知道會進外資公司，多學一點外文就好了。 編輯私有筆記及自訂標籤外國文（日文；包括作文、翻譯與應用文）-108 年 - 高考二級 日文（包括作文、翻譯與應用文）#79
- Man: I wonder if you could tell me where Taipei 101 is?Alice: It’s right over there!Man: Oh, of
- Woman: I’m bored!Man: Why don’t we do something to cheer ourselves up?Woman: Like what?Man: Go t
- Man: Let’s cook a meal together for the dinner! You do the maincourse, and I’ll make the pudding
- My mother reminded me: "The train is due _____ 12:15 p.m. You willbe late. Do hurry up!&quo
內容推薦
- 如右圖所示之電路，若 R 已達最大功率消耗，則此時 R 之消耗功率為何？ (A) 5W (B) 0W (C) 0W (D) 25W
- 有一客戶資料表之名稱為「Customer」，在此一資料表中有一欄位名稱「Name」係用以紀錄客戶 之姓名。若欲以Structured Query Language ( SQL語言）查詢此一資料表
- ____ this restaurant is not open on Sundays. Its boss decides tolet his employees have a day off
- The tour guide advises that we ____our passports with us whenwe go sightseeing. According to her,
- Although he has been a chef for more than ten years, he still findscooking a meal for customers v
- 下列有關等效電路分析方法之敘述，何者錯誤？(A) 求戴維寧等效電阻時應將原電路之電壓源與電流源短路(B) 戴維寧等效定理只能應用於線性網路(C) 諾頓等效定理只能應用於線性網路(D) 若戴維寧
- 一具 4 kW，4 人份之儲熱式電熱水器，每日熱水器所需平均加熱時間為 30 分鐘。若電力公司電費為每度 3 元，則每人份每月(30 日)平均之熱水器電費為何？(A)10 元 (B)
- The impact of climate change on the environment is a____ issuenow. A lot of countries in the wor
- This psychologist argues that it is not healthy for you to____your entire life on work. In other
- ____ she can not speak Japanese, she manages to let a Japanesecustomer know what she means by ges
- Having a good command of English, Adam is able to____ withforeigners easily. He can understand w
- My father is planning a family holiday now. Therefore, he asks us____ we have free time in August
- Margaret is a very shy girl. She feels uncomfortable when facing groupsof people. Therefore, she
- Tom and Peter are____ twins. They look exactly like each other. Itis difficult to differentiate
- ____ is difficult in the city center. There are too many cars thereand too few parking lots.(A)Pa
- This financial crisis affects the job market seriously. Many people losetheir jobs as a ____of t
- He tries his best to____ old friends, because he believes thatold friends are treasures of life.
- Due to bad weather, your flight to France is ____until tomorrow.Please do not go to the airport
- It is 18:00 now. The concert____ at 18:0Please go into theconcert hall immediately.(A) has alr
- This building is the in the____ world. There is no building inthe world that is taller than it.(A
- The teacher arranges a meeting with Andrew because she wants to know____he has difficulty passin
- Giving a tip to the waiter who helps you carry your baggage is a____practice in this country. A
- Many people consider a smartphone a very____ gadget, becauseit can help them do a lot of things.
- I do not think that our boss is aware____ how expensive this trip canbe. We need to tell him abo
- A: I would like to send this parcel to New Zealand.B:____(A) New Zealand is a beautiful country.