問題詳情
7. A series RLC circuit, driven with a sinusoidal external emf with rms voltage 120 V, contains a resistance R = 200 Ω,an inductanceL =1.0 H, and a capacitance C = 16 μF. What is the resonance frequency of this circuit?
(A) 960 Hz
(B) 1,600 Hz
(C) 40 Hz
(D) 6,400 Hz
(E) 250 Hz
(A) 960 Hz
(B) 1,600 Hz
(C) 40 Hz
(D) 6,400 Hz
(E) 250 Hz
參考答案
無參考答案
內容推薦
- ( )小晴將耳朵貼在無火車行駛的觀光用鐵軌上,小雨由鐵軌的另外一端敲擊鐵軌。小晴共聽到兩次聲音,第一次由鐵軌傳來,第二次由空氣傳來,若兩次聲音的間隔相差3秒,且小晴與小雨的距離為2720公尺,則
- ( )小新站在直立的平面鏡前 6 公尺處,當小新向平面鏡移近 3 公尺時,下列敘述何者正確?(A)像離開鏡,後退 3 公尺 (B)小新與像的距離縮短 6 公尺 (C)小新與像的距離不變 (D)像
- Regarding the reactions of organic compounds, which of the following statements is NOT true?(一律送
- ( )音叉振動頻率為f1赫,發出聲音之頻率為f2赫,50公尺處測得此聲音的頻率為f3赫,則fff3之大小關係為何?(A) f1=f2=f3 (B)f2>f3>f1 (C)f3>f2>f1
- Consider the following data concerning the equation:(A) Rate = k[H2O2][I–][H+] (B) Rate = k[H2O2
- Which one is Bragg equation?(A) F = ma (B) Hɸ = Eɸ (C) nλ = 2dsinθ (D) Δx ∙ Δp = h (E) E = mc2
- ( ) 已知每個基本電荷的電量e為6×10-19庫侖,下列何者不可能是帶電體所帶的電量? (A) +1019e (B) -1019e(C)+5e (D)-5e。.
- 已知在某溫度與壓力狀態下,2個甲氣體分子與1個乙氣體分子,可以反應生成2個丙氣體分子,圖中●與○均代表一種原子,試回答下列問題。【題組】30)甲氣體分子可以下列何者表示?(A) (B) (C)
- 下列哪一個圖形可表示氮和氧化合成一氧化氮的分子模型? (A) (B) (C) (D)
- ( ) 要讓金屬球感應起電的五個步驟,哪個選項的順序是正確的? (A)戊→丙→丁→乙→甲 (B)甲→乙→丁→丙→戊 (C)戊→丁→丙→乙→甲 (D)甲→丁→丙→乙→戊。
內容推薦
- ( )下列關於摩擦力之敘述,何者錯誤? (A)最大靜摩擦力與兩物體間之接觸面積大小有關 (B)摩擦力與兩接觸面間之正向力有關 (C)摩擦力與接觸面之光滑程度有關 (D)摩擦力與接觸面之溼潤程度有
- ( ) 有兩個相等的正電荷(以Q表示)其距離為r時,他們之間相互作用力的大小以F表示。假設距離不變,而改變其電性或電量,則下列哪一個靜電力圖是對的?(A) (B) (C) (D)
- The density of ice is 0.920 g/cm3 while that of sea water is 025 g/cmWhat fraction of an ice
- A star radiates uniformly in all directions. At a distance of 0 ✖ 1012m from the star, the inte
- The focal length of a camera lens is 0 cm. How far from the lens should the subject for the ph
- Two different samples have the same mass and temperature. Equal quantities of energy are absorbe
- The angular velocity vector of a spinning body points out of the page. If the angular accelerati
- A block whose mass m is 650 g is fastened to a spring whose spring constant k is 65 N/m. The blo
- ( )進行「力的測量」實驗時,施加於彈簧的力F與彈簧伸長量X的關係,如圖所示,下列敘述何者正確? (A)伸長量X與受力F不成正比,不能用來測力的大小 (B)當施力介於20~60公克重時,才可用此
- ( )有一艘海底探測船,若以等速向西行駛,每隔一段時間利用聲納探測海底深度一次,其回聲接收時間依序為20 秒、30 秒、40 秒、30 秒、5 秒、20 秒,則海底地形應為下列何者? (A)
- A boy pulls a wooden box along a rough horizontal floor at constant speed by means of a forceas
- Which of the following statements is true about the following electrochemical cell?(A) The cell
- Which of the following statements are true? A catalyst can act in chemical reaction to: I. Lower
- ( )一U形管內,裝有甲、乙、丙三種互不相溶的液體,平衡時如圖所示,其中甲液柱長度與丙液長度相等,d點為丙液柱的中間點,則液中各點的壓力大小關係,何者正確? (A) e=f (B) c=d (C
- 設X、Y、Z分別代表三種相異之元素,對以下之均衡化學反應式:XZ2 + 4Y → 2甲 + X而言,依據道耳吞之原子說,甲的化學式為下列何者?(A) YZ (B) YZ(C)Y2Z (D)
- Examine the phase diagram for the substance Bogusium (Bo) and select the correct statement. (A)
- The structure below is the repeating unit of a (A) homopolymer formed by an addition reaction. (
- The inertia of a body tends to cause the body to:(A) speed up (B) slow down (C) resist any chang
- A thin-walled hollow tube rolls without sliding along the floor. The ratio of its translational
- 在下列四種條件下進行雙氧水分解實驗,請問 何者產生氣泡的速率最快? (A) (B) (C) (D)
- Two stationary tuning forks (350 and 352 Hz) are struck simultaneously. The resulting sound is o
- Adipic acid contains 32% C, 84% O, and 85% H by mass. What is the empirical formula?(A)
- A 0.20 M solution of MgSO4 has an observed osmotic pressure of 0 atm at 25°C. Determine the ob
- When the following equation C2H5OH + O2⇌ CO2 + H2O is balanced, what are the coefficients?(A) 2,
- On a new temperature scale (°L), water boils at 100°L and freezes at –00°L. Calculate the