問題詳情
8 有 A、B 兩均勻截面積之導線以相同之銅材料製成，若 A 長度為 B 的 2 倍，A 的截面積為 B 的 4 倍，則 A 導線的電阻為 B 的多少倍？
(A)4
(B)8
(C)2
(D) 0.5
(A)4
(B)8
(C)2
(D) 0.5
參考答案
答案：D
難度：簡單0.869565
統計：A(0),B(6),C(7),D(120),E(0)
內容推薦
- 42 An oil spill is the release of a liquid petroleum hydrocarbon into the environment, especially ma
- 86 65 歲男性發生位於左心室前及側壁的整層心肌梗塞（Transmural infarct），但心室中隔（Ventricularseptum）完好。下列冠狀動脈中，何者是此患者最可能發生阻塞之處？
- 53______are designed to supply a large volume of water quickly to the protected area.(A)Deluge sprin
- 54 “BLEVE” stands for______ .(A)Boiling Liquid Expanding Vapor Explosion (B)Boiling Liquid External
- 41 Clean-up and recovery from an oil spill is difficult and depends upon many ______, including the
- 52 Standpipe systems have been installed in health care facilities for many years to provide______ v
- 42 Due to poor_______of the weather condition, the helicopters could not join the rescue operation t
- 38 ______ the abstracts of deck logbook covering the said accident.(A) Attached herewith are (B) Att
- 37 As the equipment was not working properly, the crew was told to personally order the passengers t
- 35 Immediately after the ship , the captain returned to the bridge and tried desperately to rebalanc
內容推薦
- 46 Coast guards are required to _______the territory waters regularly to prevent any illegal activit
- 43 Oil spills at sea are generally much more damaging than those on land, since they can spread for
- 10 有一系統由三個子系統串聯構成，三個子系統之效率分別為η1 = 90%，η2 = 80%，η3 = 75%，則此系統之總效率為： (A) 54% (B) 60% (C) 67% (D) 72%
- 79 有一個 10 歲心智發育遲緩男孩，能自行負責日常起居，病人具短頭（Brachycephaly）、瞼裂較斜，並具明顯內眥贅皮摺，病人並有手掌斷掌紋，胸部理學檢查則顯示具有 Grade III/VI
- According to the International Maritime Bureau report, pirate 48 off the coast of Somalia have decre
- 47 For departing vessels and other marine transportation, it is important to check the _______person
- 以腹部九分法區分，盲腸位於下列哪兩區？(A) 右季肋區、右腰區 (B) 右腰區、右髂區(C) 臍區、腹下區 (D) 腹下區、右髂區
- 81 橡皮腫（Gumma）是：(A)良性贅生性腫瘤 (B)惡性腫瘤 (C)人類乳突瘤病毒病變 (D)梅毒病變
- 37 樹（tree）中每一節點有 data、left、right 三個欄位。data 儲存資料而 left 和 right 兩個指標分別指向左子樹和右子樹。函式 print() 如下： 針對以下的樹，
- 49 (A)coverage (B)leakage (C)hostage (D)vantage
- 請回答第 57 題至第 60 題：An interesting question arises regarding the use of elevators by rescue. Fire safet
- 45 On-board inspections are sometimes requested by coast guards to investigate potential illegal goo
- 40 During wartime, some national Coast Guard organizations might have responsibilities in ______ def
- 41 After hitting the uncharted rocks, the crew members took immediate actions to control damage, esp
- 89 有關急性淋巴球性白血病（Acute lymphoid leukemia）之病人，下列何者為預後較佳之指標？(A)病人年齡大於 10 歲 (B)周邊白血球數目超過 105/μL (C)染色體數超過
- 45 In the United Kingdom, ______ search and rescue is coordinated by the Coastguard Agency while aer
- 83 一名 32 歲男性，因發燒、咳嗽，且從前一天開始覺得呼吸愈來愈困難而就醫。胸部 X 光檢查顯示兩側大量肋膜腔積水，穿刺術由肋膜腔抽取約 500 毫升略為混濁的黃色液體，顯微鏡下可見此液體內 有許
- 82 下列敘述中，何者是神經母細胞（Neuroblast）相關腫瘤之特點？(A)有可能自行消退（Spontaneous regression） (B)神經節神經細胞瘤（Ganglioneuroma）中
- ⑵今有某船之船模試驗，其船模之主要尺寸如下：請求出對應速率 VS（in knots ） ，總阻力係數 C TS ，總阻力 R TS（in kN） 及有效馬力（EHP in kW）。（10 分
- 60 (A)elevators (B)windows (C)openings (D)stairways
- 87 下列那一個器官最容易發生液化性壞死（Liquefactive necrosis）？(A)肺 (B)腎 (C)腸 (D)腦
- 84 下列何者不是惡性腫瘤必須具有的生理特性？(A) Insensitivity to anti-growth signals (B) Sustained angiogenesis (C) Evasi
- 43 The two container vessels _______with each other about ten nautical miles outside Kaohsiung Port
- 39 USCG helicopters are equipped with hoists to rescue survivors and also play a major role in law e
- 90 一名 61 歲男性病人主訴骨骼疼痛，並有腎衰竭及肺炎球菌感染導致之肺炎（Pneumococcal pneumonia）。骨髓活檢切片中最可能並且最重要的發現為： (A)肉芽腫（Granuloma