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
49. 電磁感應的基本特徵,下列敘述何者正確?(A) 一磁鐵通過一線圈中,無法在線圈中感應電流(B) 一線圈在一磁場中旋轉會產生感應電流(C) 一線圈平面垂直於磁場,當線圈面積改變時並不會產生感應電流
問題詳情
49. 電磁感應的基本特徵,下列敘述何者正確?
(A) 一磁鐵通過一線圈中,無法在線圈中感應電流
(B) 一線圈在一磁場中旋轉會產生感應電流
(C) 一線圈平面垂直於磁場,當線圈面積改變時並不會產生感應電流
(D) 線圈中之感應電動勢的符號和磁通量改變量之方向相同
參考答案
答案:B
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
上一篇 :
4. ______Mark got the bad news, he burst into tears.(A) As long as (B) As early as (C) As soon as (D
下一篇 :
14. Spring is the best time to visit Yangming Mountain,______ you can see cherry blossoms.(A) which
資訊推薦
5. The house was seriously ______by the heavy rain.(A) damage (B) damaged (C) damaging (D) to damage
7. Karen and Matt had a(n) ______ wedding. They got married in a hot air balloon.(A) premature(B) un
第一題:假設某股票,去年發放每股的現金股利為2元,若設定投資報酬率為10%,試依序回答下列問題:【題組】(一)假設在未來的3年中預期股利每年以5%成長,若擬持有該股票3年,再以每股50元出售,則該普通
15. The coffee shop opens ______8:00 ______20:00 every day.(A) both …and (B) from…to (C) too…to (D)
6. If I______ a bird, I could fly freely in the sky.(A) am (B) was (C) were (D) be
17. Singapore has a warm climate, ______ Russia has a cold climate.(A) where(B) whereas(C) since (D)
8. The old city boasts of a(n) _____ of historic buildings.(A) wealth(B) excuse(C) rigor(D) intake
4. 如圖,割線 =4,則圓 O的面積為______。
16. Alex exercises every day ______he can lose weight.(A) so that (B) as soon as (C) even if (D) les
7. It is said that life is______ a box of chocolates. We never know what we will get.(A) like (B) al
18. Juan comes from Venezuela, ______ is a Spanish-speaking country.(A) where(B) so(C) which (D) th
9. Many homemakers do not have a chance to _____ a career until their children are older.(A) fasten(
30. 當我們利用一電位差 V 來加速一個質量為 m、電荷為- e 的靜止電子後,再利用一垂直於其速度的磁場B加以偏折。請問此電子偏折軌跡的半徑為:(A) (B)(C) (D)
17. People enjoy a______ life span than before.(A) longest (B) long (C) the longer (D) longer
8. The scientist is studying ______the medicine will work or not.(A) how (B) why (C) what (D) whethe
19. The movie was okay, but I would rather ______ to the concert last night.(A) have gone(B) go(C) b
10. Nowadays, most consumers appear less _____ to brands and are more willing to experiment.(A) loya
15. 從 1,2,3,4,5,6,7,8,9 中 , 任 取 兩 相 異 數 , 則 其 積 為 3 的 倍 數 的 機 率 為 多 少 ? (A)(B)(C)(D) 。
18. The little girl got lost.______ what to do, she started to cry.(A) Not knowing (B) Not known (C)
9. The researcher said that it ______patience and perseverance to finish the research.(A) got (B) to
20. Every morning, my grandfather ______ his jacket before going outside to get the newspaper.(A) pu
11. There are many interesting places to visit in NYC. The art museum, ______, has an excellentcolle
2. Because they are ______, wolves hunt large animals such as deer and elk.(A) herbivorous(B) carniv
19. My old grandfather has good sight. He can read newspapers ______wearing glasses.(A) without (B)
10. Jenny likes classical music,______ her twin sister prefers pop songs. They are so different.(A)