有一額定為100V/1000W的電熱器，現接於500V之電源，則其消耗之電功率為多少瓦？(A) 25W(B) 250W(C) 2500W(D) 25000W

問題詳情

1. 有一額定為100V/1000W的電熱器，現接於500V之電源，則其消耗之電功率為多少瓦？
(A) 25W
(B) 250W
(C) 2500W
(D) 25000W

參考答案

答案：D
難度：適中0.525
書單：沒有書單，新增

內容推薦

某雜貨船之包裝容積及載重噸位都達滿載，試問該船最有可能裝載下列何項貨物？(A) 積載因素為5立方公尺/公噸之貨物(B) 積載因素為5立方公尺/公噸之貨物(C) 積載因素為5立方公尺/
由正北順時鐘方向沿天水平面量至天體垂直圈之夾角，稱為何？(A) 方位(B) 方位角(C) 恆星時角(D) 當地時角
【題組】How might the family react to Dr. Haret’s explanation (解釋) ?(A) They might think Dr. Haret w
【題組】Why did the family save the last bit of the powder?(A) for Dr. Haret (B) as a special memory
【題組】What did the family do with the powder?(A) They sent it back to its owner. (B) They mixed it
【題組】Why did Arinas think that the powder was pepper?(A) The doctor told him. (B) He told it acco
【題組】In fact, what did the judge pay for the smell of soup?(A) a few coins (B) a piece of bread (
【題組】Why did the poor man hold the bread over the soup?(A) To keep his hands warm. (B) To make fu
【題組】(A) you want to relax and play an online game(B) you want to get along with your classmates(
【題組】(A) had taken (B) took (C) has taken (D) was taken

內容推薦