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最新試卷
115年 - 115 高等考試_二級_文化行政(一般組)(選試義大利文):義大利文(包括作文、翻譯與應用文)#145813(5題)
115年 - 115 高等考試_二級_農業機械:農產品物理性質與加工工程學研究#145812(5題)
115年 - 115 高等考試_二級_漁業行政(一般組):英文(包括作文、翻譯與應用文)#145811(4題)
115年 - 115 高等考試_二級_金融保險:金融保險法規(包括銀行法、證券交易法、保險法等法律及其相關法規)#145810(4題)
115年 - 115 高等考試_二級_土壤肥料:高等土壤學#145809(10題)
115年 - 115 高等考試_二級_農業機械:高等農機設計學#145808(4題)
115年 - 115 高等考試_二級_衛生行政(一般組):衛生行政學研究(包括食品藥物衛生)#145807(4題)
115年 - 115 高等考試_二級_交通技術:運輸系統分析#145806(4題)
115年 - 115 高等考試_二級_交通技術:運輸安全#145805(4題)
115年 - 115 高等考試_二級_土木工程:工程管理與施工#145804(4題)
最新試題
146. 以一含內阻之電源提供負載功率,當負載獲得最大輸出功率時,其傳輸效率為何? 鐵路、國安特考 112 (A)25% (B)50% (C)60% (D)80%
145. 以 KCL 求解右圖示電路時,下列何者為節點 Vb 之正確表示式? 初等考 114 (A)(Vb – Va)/R1 + Vb /R3 + (Vb – Vc)/R2 = 0 (B)(Vb – Va)/R1 + Vb /R3 + (Vb – Vc)/R2 + R4 = 0 (C)(Vb – Va)/R1 + Vb /R3 –(Vb – Vc)/R2 = 0 (D)(Vb – Va)/R1 + (Vb – Vc)/R2 = 0
144. 如下圖所示之電路,則電流 I 為多少安培? 初等考 114 (A) –2 (B)\( \frac{4}{3} \)(C)4 (D)6
最新申論題
四、通過 ISO/IEC 17025 國際標準認證是維持鑑識科學實驗室品質的重要方式之一,該國際標準中要求實驗室對於量測之設備需評估其量測不確定度,試說明何謂「量測不確定度」?並舉例說明 1 種以上評估及計算方式。
三、試說明紅外線攝影及螢光攝影之原理與運用時應注意事項,並各舉一例其技術在刑案現場之應用。
(四)進行指紋比對時,研判兩枚指紋為個化結果之條件,除需紋型相符外,另需達 12 個指紋特徵點相符,其理由何在?(10 分)
最新課程
國營化學
講師:
Terry Tung
簡介:
一次掌握6大國營化學考點 專攻中油、台電、台水、台糖、菸酒公賣局、經濟部職員真題,選擇 / 填充 / 計算 /...
企業管理
講師:
Terry Tung
簡介:
內容主要分三大部份,各章節都有完整講義,試題整理主要近年郵局、經濟部職員、台電雇員、中油雇員、自來水...
天文
講師:
steven
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天文學是一門研究天體和發生在宇宙中各種現象的自然科學。它使用數學、物理和化學來解釋它們整體的起源和演...
最新主題筆記
輻防師歷年考題
課程:
游離輻射防護法規重點整理
章節:
放射性物質與可發生游離輻射設備及其輻射作業管理辦法
輻防員歷年考題
課程:
游離輻射防護法規重點整理
章節:
放射性物質與可發生游離輻射設備及其輻射作業管理辦法
輻防師歷年考題
課程:
游離輻射防護法規重點整理
章節:
放射性物質或可發生游離輻射設備操作人員管理辦法
最新討論
29. Anne:When will the football game start?Bill:In five minutes. ___________ We’re late.(A) Hurry up! (B) Time to go home.(C) Where? (D) It rains in summer.
30. Mark:Hi, Tony. What do you do to keep fit? Tony:____________________ Do you want to go with me? Mark:It sounds like a great idea!(A) It’s not your fault. (B) You are the painters.(C) I’m sure. (D) I swim seven times a week.
複選題15. Now, we have two electrons whose orbital angular momentum quantum numbers are 1 and 3, respectively. Choose the correct answers. (A) The possible TOTAL angular momentum quantum number J can be 1 (B) The possible ORBITAL angular momentum quantum number L can be 1 (C) The possible SPIN angular momentum quantum number S can be 1 (D) The possible MAGNETIC quantum number of total angular momentum number $m_{j}$ can be $\frac{1}{2}$ (E) The possible spin multiplicities for this two-electron system are singlet and triplet.
複選題16. We usually need to use the concept of "effective mass" to analyze and predict the properties of electronic and optoelectronic devices. It can be calculated by $\frac{1}{m^{*}} = \frac{1}{h^{2}}\frac{\partial^{2}E(k)}{\partial k^{2}}$, where $m^{*}$ is the effective mass, and $E(k)$ is the energy of the carrier as a function of the wave vector $k$. The effective mass of carriers in a material can be measured using the cyclotron resonance method. In short, this method is performed by applying a magnetic field to the material and irradiating it with electromagnetic waves, assuming that the absorption frequency of the sample matches the cyclotron frequency of the carriers in the magnetic field. Hint: You may start the derivation from the classical equation of motion of a charged particle in a magnetic field. The magnetic force is $qvB$, where $q$ is the carrier charge, $v$ is its velocity, and $B$ is the magnitude of the magnetic field, and it provides the centripetal force for circular motion ($F = \frac{m^{*}v^{2}}{r}$). Please choose the correct answer. (A) The idea of effective mass is only needed for semiconductors. For metals, the free electron model is sufficient. (B) Effective mass can be less than $m_e$, where $m_e$ is the mass of an electron. (C) The effective mass is determined by the curvature of the energy band E(k). (D) When the magnetic field is $0.15\mathrm{T}$ and the absorption frequency $= 2.1\times 10^{10}\mathrm{Hz}$, the effective mass of an electron is $0.3m_e$. (E) If the absorption frequency is $1.4 \times 10^{10} \mathrm{~Hz}$ and the radius is $3.4 \times 10^{-7} \mathrm{~m}$, the velocity of the electron should be $3 \times 10^{4} \mathrm{~m/s}$.
複選題17. A beam of neutrons is traveling at a speed of $v = 800 \, \mathrm{m/s}$ and is directed through a single slit of width $a = 1.0 \, \mu \mathrm{m}$. Given the Planck's constant $h = 6.626 \times 10^{-34} \, \mathrm{J} \cdot \mathrm{s}$ and the neutrons have mass $m_{n} = 1.675 \times 10^{-27} \, \mathrm{kg}$. Consider the neutrons as free quantum particles and their wave-like behavior. Which of the following statements are correct? (A) The de Broglie wavelength of the neutrons is approximately $4.945 \times 10^{-10} \, \mathrm{m}$. (B) The first minimum of the diffraction pattern on a screen far away from the slit occurs at an angle $\theta$ given by $\sin \theta = \lambda / a$. (C) The phase velocity of the neutron wave is greater than the speed of particles. (D) The group velocity of the neutron wave packet is equal to the speed of the particles. (E) The uncertainty in the neutron's transverse momentum due to the slit is approximately $6.63 \times 10^{-28} \, \mathrm{kg} \cdot \mathrm{m/s}$.
30.某長照個案接受物理治療已半年但進步有限,若中止治療,釋出的場地、時段資源可讓 3 位新個案開始復 健。所內治療師進行討論如圖示,其中丙治療師屬於何種理論?(A)責任實用論(B)社群論(C)義務論(D)契約論