求解圖裡UICK quiz的第二小題

acit0r 1taneOuls CUrTent Differentiating Equation 27.22 with respectto time gives the inst: as afunction of time: 4 tt號 一Fe ptasafurc 主二 where Q;/有CC 三方 is the initial current. Figure 27.15b 5 in the resistor that we guessedin order to-apply Kirch Equations 27.15 and 27.21. Equation 27.23 shows that the ci ing capacitor is negative, indicating that the current 1s Figure 27.15c. Both the charge on the capacitor and the ct tially at a rate characterized by the time'constant7了三用C. 人 i 一 GOuicK ouiz 27.5 Considerthe circuitin Figure 27.17 and assume the battery has after the switch is closed, what is the currentin the Figure 27.17 no internal resistance. () 」 battery (a) 0 (b) &/2A(G 28/Z04 8/元(e) impossible to determine (ii) After a 有 eyerylong time, what is the Currentin the battery? Choose from the same choices. theswitch is CC (3 前:銜1加信介2放 IntermittentWindshield Wipers nobiles are equipped with windshield wipers that can operate intermittently during alight rainfall. How does ofsuch wipers depend on the charging and discharging ofacapacitor7 民 The wipers are part ofan 及C circuit whose time constant can be varied by selecting different values of及through amultipo- Sition sWitch. As the voltage across the capacitor increases, the capacitor reaches a point at which it discharges and Higgers the wipers. The circuit then begins another charging cycle. The time interval between the individual sweeps of the wiperS 1 determinedjby the value ofthe time constant.

有人可以解釋一下這張圖嗎ಥ_ಥ

At Resting state (1) RO二一 PNa 說GIeSe to BR 還rom IN At Rapid depolarization (3) PNa > Pr ‧Ynm closetoENa *Yn farfrom Ek 全 晶 生 和 【 S S ge g eg 5 EE 5 三 ive membrane permeability @ Steagy restingo membrane potentialis near Ex Pk>Pkadue toleak K* channels. 人 euocalmembrane sbroughtio heshold voltage by adepolarizing stimulus, @ Curent through opening voltage-galed Na* (hannels rapidiy depotarizes the membrane, causing more Na* channels to Open. Onactvation of Na" channels and delayed opening of voltage-gated K* channels hals membrane depolarization @outward cumentthrough open voltage- gated K* channels repolar2es the membrane back toanegatve potentialL G@ Persstent curentthrough siowiy cosing Threshold potential voltage gated K” channels hyperpolarzes 盡 membrane toward Ex; Na* channes retum from inactivated stale to cosed state(without 9 openno) O@cCiosure ofvoltage-gated K" channels rsturms the membrane potential to 8 resting value. Voltage-gated Na" channel volage-oated K'channel

想問一下74題怎麼算求解

加還 一! 還 仙 一 林發紅色可見光 (B)LED 發光原理與白熾鎢絲燈泡相同 几 (C)矽一極體之障壁電壓即為熱當電壓 (thermal voltage ) (D)矽二極體於溫度每上升10C , 其逆向飽和電流約增加一倍示 【104】 匆. 如圖所示的稽納穩壓電路中,採用VZ二10V, 功率Pz (max) 三500mW 規格的稽納一 (Zener Diode ) ,在此電路正常 穩壓情況 Fe,RL 電阻值上限為多少? \ T1x9oom: (A)500 水 (B)1lk 工 同 19 估 上 -sooe 5 2000 革 共 to_i 回 (C)2k (D)3k 【104】 003二pe 後 Q 2 24V 所全Zp 2, 刁g0w 二5ow+ 二sao9w 3- 二極體在正常工作下逐漸增加順向電壓時,下列敘述何者正確? 【105】 2 (A)擴散電容變小 (B)多數載子流向接面*#(C)空乏區寬度欒大_(D)障壁電壓提高 神. 如圖所示電路,假設二極體的順向導通電壓為 0.7V,若不考慮順向電阻則 /o? 為多少 (3)10 地 “(8B)2.1 9 (0D3.0【105】

請問這題怎麼寫？🙏謝謝

和 人 民 抽樣採購進料和檢驗發現以下數據1 外 05, 和L i L.15, 1.2. 125, 太BE 145, 1.5, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.85, 1.9, 1.95, 2.0 Volt 請證明此批進 料是否符合每個零件至少 1.6 Volt 的要求? (15 pts)

高電位跟低電位要怎麼分辨，求解，謝謝😊😊

選二 上.趾義:一庫侖正 2 全滲入大 的電位差,又稱為電壓 , 單位為伏特 (volt),以符號V表示。 了位差=高電位-低電仙 、電壓測量 !.我們使用【伙 特 計 】來測量電壓(電位差)。 2,伏特計的使用步驟如下 : (1)伏特計的 辣[(一 】 F 02)伏特計和待測電路【並 粥正極憑[十 】, 說 可,在A、B

是關於高職工科的模擬試題 請問以下的算式如何算 公式已在底下 請求高手詳解過程~

站 鈴 如圖(十)所示之電路,電晶體工作於順向主動區。I, -2.5mA, ex1,熱電壓(THERMAL VOLTAGE)V, %25fV 3著此電路之 // 量感把暈史3 則R, 的值約為多少? 4 M 把/R CC ISKO Al 到 (B) 12 Ko 人吃 SSKGO MR 人29 (0)人2 KK 108.2 電候尋電子群資電類。專業和BUY C JS @ vo一呈 | o人 10KOQ 10KOQ 喲 Yy RS 呈讓了 CC 加(十)

第192題