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2. 有關電學的相關敘述,下列何者錯誤?(A)使電荷移動而做功之動力稱為電動勢(B)導體中電子流動的方向與傳統電流方向相反(C)1安培-小時(AH)相當於1庫倫之電量(D)同性電荷相斥、異性電荷相吸
問題詳情
2. 有關電學的相關敘述,下列何者錯誤?
(A)使電荷移動而做功之動力稱為電動勢
(B)導體中電子流動的方向與傳統電流方向相反
(C)1安培-小時(AH)相當於1庫倫之電量
(D)同性電荷相斥、異性電荷相吸
參考答案
答案:C
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用户評論
【用戶】
Jerry Yang
【年級】高二上
【評論內容】Q=It電荷=電流x時間(秒)
上一篇 :
30 性別工作平等法中有關「性騷擾」之規定,下列敘述何者錯誤?(A)求職者於求職時,雇主以具有性意味之言詞或行為,對其造成冒犯,致侵犯其人格尊嚴,該當性別工作平等法所定義之性騷擾 (B)求職者於求職時
下一篇 :
3. 有關交流電學的相關敘述,下列何者正確?(A)電容器的電容抗與外加電源頻率成正比(B)電容器的電壓相位領先電流試題公告(C)電感器的電壓與電流相位相隔180°(D)電感器的電感抗隨著交流電源頻率增
資訊推薦
4. 欲判斷載流導體在磁場中之受力關係,可由「佛來銘左手定則」決定。有關其左手之拇指代表之意義為何?僅供參考(A)磁場移動方向(B)導體運動方向(C)電子運動方向(D)磁力線方向
5. 有一根金屬導線之電阻為R,若將其長度均勻拉長3倍後,則導線電阻變為多少?(A)R/9 (B)R/3 (C)3R (D)9R
6. 有一台4馬力的直流電動機,其額定電壓為100V,額定電流為40A,求電動機的滿載效率約為何?(A)80% (B)75% (C)60% (D)50%
7. 有一個線圈匝數為600匝,電感量40mH,若將匝數減少為150匝,則線圈電感量變為何?(A)10mH (B)7.5mH (C)2.5mH (D)1mH
8. 有一個蓄電池以定電流方式連續充電720分鐘後,其充電量累積達到90安培小時(AH)。求充電電流大小為何?(A)7.5A (B)8A (C)8.5A (D)9A
9. 有兩個規格均為110V/10W之白熾燈泡,將其分別並聯與串聯接於110V電源時。求並聯連接時之燈泡總功率為串聯連接時的幾倍?(A)2倍 (B)4倍 (C)1/2倍 (D)1/4倍
32 Tim has booked a ticket to Chicago and _____ a single room at the hotel.(A) deserved (B) conserve
33 After she graduates from college next year, she will _____ as an elementary school teacher.(A) co
34 It is _____ that an ancient artifact shows wear and tear after thousands of years.(A) imprudent (
35 Durian has such a _____ smell that, in most cases, people love it or hate it.(A) generous (B) fre
36 John drank a lot of beer and whisky and got completely drunk last night because all the alcoholic
37 Mrs. Wong _____ her new-born baby very much, so she already made many plans for its future.(A) ad
38 This shrine is _____ to the memory of soldiers killed in the defense of the country.(A) dedicated
39 A person with a(n) _____ attitude often feels a task is too difficult to complete before actually
40 Some women suffering from _____ violence choose to remain silent because of their children.(A) do
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【題組】42 (A) hear (B) plan (C) read (D) tell
【題組】43 (A) which (B) what (C) where (D) that
【題組】44 (A) Before (B) Lest (C) Shortly (D) Once
【題組】45 (A) estimate (B) placement (C) objection (D) treatment
請依下文回答第 46 題至第 50 題:Cheese is a dairy product, derived from milk and produced in wide ranges of flav
【題組】47 Which of the following is closest in meaning to “drained”?(A) Put out. (B) Added into. (C) Ca
【題組】48 According to the passage, which of the following is necessary to the process of “fermentation
【題組】49 According to the passage, which of the following does pasteurization require?(A) Adding cultu
【題組】50 Which of the following is true according to the passage?(A) The ripened milk forms a curd tha