題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
5.( )在節奏派對燈作品中,麥克風的用途為何? (A)接收聲能,發出聲能 (B)接收電能,發出聲能 (C)接收聲能,發出電能 (D)接收電能,發出電能
問題詳情
5.( )在節奏派對燈作品中,麥克風的用途為何?
(A)接收聲能,發出聲能
(B)接收電能,發出聲能
(C)接收聲能,發出電能
(D)接收電能,發出電能
參考答案
答案:C
難度:
非常簡單
0.875
書單:
沒有書單,新增
上一篇 :
4.( )關於電晶體的敘述,下列何者錯誤? (A)分為NPN和PNP兩種 (B)不同型號的電晶體,其耐電壓可能不同 (C)電晶體在工作時溫度會上升 (D)所有電晶體的腳位順序均為B-C-E
下一篇 :
65.三相∆ 型連接平衡負載,連接於三相平衡電源,電源線電壓有效值為 220V,且已知每相負載阻抗為o 10∠60°Ω,則此負載消耗的總有效功率為多少? (A) 4191W(B) 7260 W(C)
資訊推薦
1. 100V / 100W之電燈泡的電阻為多少Ω?(A) 1000 Ω (B) 100 Ω (C) 10 Ω (D) 1 Ω
6.( )附圖為一電解電容,試問甲、乙兩腳的極性為何? (A)甲為正極、乙為負極 (B)甲為負極、乙為正極(C)兩腳無極性之分
52.R-L-C並聯電路中,R=50KΩ,L=3mH,C=75nF;若電路接於 =120∠0°特之交流電源,則其電路品質因數Qp為何?(A)25 (B)50(C)125 (D)250
48.一粗細均勻的銅線被剪成長 1:2 的兩段,再將此兩段拉成長度比為 2:1,則此兩段之電阻比為何?(A) 1:8 (B) 8:1 (C) 4:1 (D) 1:4
49.有一平衡三相電路,線電壓為 220 伏特,用二瓦特計法以量測其總電功率,其中一讀數為 36kW,另一讀數為 20kW,試求此電路的總電功率,總無效電功率及功率因數?(A) 56kW,40kVAR
67. The molecule shown here is acetylsalicylic acid (aspirin). What kind of electrical charge doesas
53.調整 (圖 53) 中負載阻抗RL與XL之值,使負載得到最大率,此時負載所消耗的最大功率為多少瓦特? (A)18(B)25(C)36(D)44
68. The brain produces most of its energy by the oxidation of glucose; during long-term fasting.howe
69. Which of the following reactions is not the reversible reaction in glycolysis?(A) Glucose 6-phos
70. Which amino acid is the common donor for methyl transfer?(A) Met(B) Ala(C)Gly(D) Ser(E) Lys
71. Which of the following best describes the metabolic outcome of glycolysis for the degradation of
72. Which step of the TCA cycle can generate GTP directly?(A) Citrate to isocitrate(B) Isocitrate to
73. Fatty acids with 14 or high carbons require_________for transport into mitochondria.(A) glycerol
74. The mutation that oceurs in sickle cell anemia belongs to_________.(A) silent mutation(B) missen
75. Which of the following is with the same binding site as O2 in hemoglobin?(A)CO(B)CO2(C) NO2(D) 2
76. The synthesis of I molecule of cholesterol requires_________molecules of isopentenyl pyrophospha
77, Which of the following nucleoside analogs is used against HIV?(A) 2',3'-Dideoxycytidin
78. The process of "sugar modification" to proteins starts in the_________?(A) endoplasmic
79. Very low-density lipoprotein (VLDL) is a lipoprotein produced by the liver and circulated in the
80. In protein structure. disulfide bonds are formed by two__________.(A) Ser(B) Tyr(C)Cys(D) Asp(E)
81. Sphingomyelinase catalyzes the conversion of sphingomyelin into________.(A) ceramide and acetylc
82. Dietary polysaccharides are metabolized by________to monosaccharides; intracellular carbohydrate
83. What is the major purpose of the pentose phosphate pathway?(A) Generate NAD' for oxidative
84. Within the electron transport chain, complex _________ represents the entry point for electrons
85. People who can have relatively high level of pyruvate in their blood due to_________;what enzyme