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15. 在電路中無效功率(感應功率)是由何種RLC元件所產生? (A)電阻 (B)電流 (C)電感(D)電荷
問題詳情
15. 在電路中無效功率(感應功率)是由何種RLC元件所產生?
(A)電阻
(B)電流
(C)電感
(D)電荷
參考答案
答案:C
難度:
計算中
-1
書單:
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上一篇 :
14. 電源星形聯接時,在相電壓對稱情況下,三個線電壓也對稱,且線電壓比它們所對應的相電壓超前相位角多少度? (A)60 (B)90 (C)30 (D)120
下一篇 :
16. 交流電路發生諧振時,電路呈何種性質? (A)電容性 (B)電感性 (C)頻率性 (D)電阻性
資訊推薦
17. 某一個交流電路中,其負載為三相對稱型電感負載,採用三角形接法,電源為220伏特,相功率為4.84千瓦,功率因數為0.8,其負載相電流為多少? (A)15.8A (B)47.6A(C)27.5A
18. 對於變壓器而言,輸入電壓及輸出電壓的比值與一次側及二次側的匝數比為? (A)等比例 (B)反比例 (C)不同比例 (D)等比例的平方
19. 下圖之電路,V=30伏特,: R1=15Ω,R2=30Ω,R3=10Ω,其戴维寧等效電阻為多少Ω(A)20 (B)30 (C)45 (D)50
44. =?(A) (B) (C) (D)
▲閱讀下文,回答第 19-20 題 在實驗室中製取氮氣的方法之一,就是共熱亞硝酸鈉與氯化銨的混合溶液,利用了亞硝酸銨的分解反應來產生氮氣。銨離子()在水溶液中與亞硝酸根離子() 的反應方程式為,某學生
32.設燃油之化學式為 ,則完全燃燒之化學反應式為 ,則式中之( C )應為下列何者?(A)n (B)m (C)n+m/4 (D)m/2
2. Find the relative extrema of the function . Round your answer to one decimal place. (A) Relative
3. Chen Shu-Chu is a person of _______ character. Although she is just a vegetable vendor, she donat
2. You should dress up yourself on this formal __________. To show respect to the host, no slippers
4. In the Indian culture, cows are thought to be _______ animals. They are respected in religious ac
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