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• 6. (5%) Determine (A) 1 (B)-1 (C) 0 (D) i (E) Does not exist
• 6.如下圖所示電路,磁通密度B=2 韋伯\/平方公尺,若導體向右移動的速度V=10公尺\/秒,則導體的感應電動勢 大小為何（伏特）? (A) 50√3 (B)5√3 (C)10 (D)10√3
• 24.引導學生了解「乘法交換律」，下列哪一道題目最適合用來當作老師的 布題? (A)小華有 50 元，小明的錢是小華的 8 倍，請問小明有多少元？ (B)東華附小慶祝兒童節，全校 30 個班級，
• 25.四位學生正在討論四邊形邊和角的性質，說法如下:甲: 有四個直角的四邊形是長方形乙: 正方形的四個角是直角丙: 有四個直角且四邊等長的四邊形是正方形丁: 只有一雙對邊平行的四邊形是梯形哪些學生的說
• 26.教師要進行「無條件進入法」取概數的教學，下列哪一個題目最適合 用來布題？ (A)今年柚子收成 4218 公斤，每 100 公斤裝一大箱批發出售，可以裝滿 幾大箱? (B)今年柚子收成 4218
• 27.有關面積計算的教學活動，會針對圖形考慮其教學先後順序，下列教學的先後順序，何者正確？甲、梯形；乙、正方形；丙、長方形；丁、平行四邊形；戊、三角形 (A) 戊乙丙丁甲 (B) 戊乙丙甲丁(C) 乙
• 7.如圖所示,若電路已穗態,當t=0時,開關S由1到2則VR值為多少伏特? (A)-150e-200t (B) 50 - 150e-200t (C) 50e-200t (D) 50 + 150e-20
• 28.生鮮大賣場擬定三種促銷方案促銷蔬果汁，如右圖所示。 小明買 5 瓶蔬果汁，可以選擇什麼方案較划算?(A) 甲和乙 (B) 甲和丙 (C) 乙和丙 (D) 甲、乙、丙都一樣划算
• 7. (5%) Consider a regular transition matrix for a three-state Markov chain, with the 10.3 initial
• 8. (5%) Which of the following vectors are linearly independent in the vector space R3? (A)[1,1,3]T,
• 9. (5%) Consider the system of linear equations:x +2y +4z =8x+y+3z=-2x-3y-z=0Which of the following
• 8.有一正弦波電屋,頻率為50Hz,當時·達到最小值-10V,則此電壓方程式為何?
• 9. 某一交流系统,電壓為100sin100t負載消耗的平均功率為3KW,功率因數為0.6(滯後),若要提高系統的 功率因數至1.0,則需並聯多少容量的電容器? (A)8000μF (B)4000μF
• 10. (5%) Which of the following matrices is diagonalizable?
• 11. (5%) Suppose that the characteristic polynomial of a matrixA isp(λ)=λ(λ-1)(λ-2)2(λ+3)3. Which of
• 12. (5%) Let A be an n by n matrix. Which of the following statement is NOT identical to others? (A)
• 13. (5%) Let vi, ... , Vn be vectors in a vector space V for n ＞ 0.Which statement is NO'T corr
• 14.(5%) Which one is NOT an eigenvalue of (A)1 (B) 2 (C) 3 (D) 4 (E) 5 O I 4 -2]
• 15.(5%) Let Which value of a can make A defective? (A) No value of a can make A defective (B) -2 (C)
• 16. (5%) Kim is at a train station, waiting to make a phone call. Two public telephone booths, next
• 17. (5%) Let X and Y be independent random points from the interval (-1,1). Find E(max(X,Y)). (A) 2
• 18.(5%) A stick of length 1 is broken into two pieces at a random point. Find the correlation coeffi
• 19. (5%) A traffic light can be in one of the three states: Green (G), Red (R), and Yellow (Y). The
• 20.(5%) Let X1,X2, ....Xn be n identical and independently distributed exponential random variables
• 10.如下图所示RLC串並联交流电路,若試求電流為何? (A)2∠53° (B) 2∠233* (C) 4∠53*(D)-2∠53* A